p052b bmw n20

E81 / E82 / E87 / E88Model Year: 2004 - 2011. I checked the timing chain, it looks fine. Also can sparkplugs have any influence to this situation? Also is it possible the timing had jump and its not building oil pressure to start the car. bmw n20 system too lean ygrene miami. Change), You are commenting using your Facebook account. or N26 engine with 85000 miles. Error Code P052B takes place when the PCM has monitored an "overly" - retarded VVT position for camshaft timing on bank 1. Most of the failures I have seen start with the two snap tabs for the timing chain rail breaks. Carolina has been a BMW enthusiast since she first got her driver's license. Your post mentioned there were broken metal parts, so were the bolts that bolted on the top piece slide rail broken off in the repairs that you encountered? Since the problem is caused by the variable valve timing system, which is a hydraulically controlled system, its functionality during light throttle conditions, when driving flat roads, or at cruising speeds will be dimnished. (adsbygoogle = window.adsbygoogle || []).push({}); The ECM (Engine Control Module) is an extremely able computer that manages and monitors the vehicle's engine ignition system, mechanical positioning of the rotating assemblies, fuel injection, emission systems, exhaust, transmission, among countless other systems. Im wondering if this thumping could be the clutch or flywheel. Would you suspect this is more related to the software reprogram or is the timing off? Please help! The engine start ok. no misfiring. I have an april 2013 f30 320i m sport this is an N20 engine I believe. And yes the crank wouldnt rotate after being inserted. still the same problem. The head mechanics at BMW Santa Monica have no idea either. Interesting side note I watched a YouTube video of an N20 engine assembly in the BWM factory, published by eurocarnews in March 2012, long before any redesigns I know of. Thanks. The BMW X3 28i is not the only model BMW that received the N20 in 2013. or can I slowly unscrew the center valve and insert a new one? This turned out to be an issue that is covered by BMW extended warranty for 10 years on all these It's cable reimagined No DVR space limits.. repairs to the engine valve train assembly. hi.. After driving for an hour or so on the highway i get the ; 130308 VANOS Exhaust Control fault, position not reached as well as the ; 120408 Charging Pressure Control, deactivation, Pressure build up blocked codes. Contact Us For this reason, they've designed the VVT system. So I thing exhaust vanos is not working, or not working correctlycan I get in touch with you? Truth is, your engine's ideal timing would adjust according to varying conditions. Could this be the timing chain issue? I have the alignment tool to lock the crankshaft, camshafts and impulse sending wheel. Nope,,,,I have never heard of car data for further evaluation,,,if they took a look and said everything looks ok,,,,I would hold on to my $200 dollars. procedure outlined below. Thanks.. Ill check this but whilst driving its fine I dont think there is any knocking going on when im driving but only on idle Sometimes mostly after a decent drive say 45mins you can hardly hear anything.. Risking my good fortune I had to run the VANOS function test again. Changed the solenoid valves. F10, F25, F30, F31 and F34: 61 00 720 Refer to KSD2 Programming / encoding control unit(s) F025-13-07-506 for the F25 Yes you should be safe with a 2016,,,,,the 2014 is a problem child,,,,yes I did get a donation thank you,,,,yes you could use 0-30 oil which is a little thicker,,,,the 0-20 does work better in higher heat engine. The Engine Control Module ( ECM) monitors the Intake Camshaft. F30 2D61 VANOS, exhaust, control fault, position not reached After driving it hard in sport mode you will hear it once the engine has cooled down per haps the next day. I checked the chain from the oil filler cap and was able to move the chain side to side on the chain guide about 3-4mm it doesnt seem overly loose. Cleaned spark plugs and as the mileage was 65000 so I changed the timing chain with a TOOL also. I dont remember which hole it is in the flywheel,,,I do know once you have it in the correct hole you can not turn the motor back or forward that when you have found the correct TDC,,,,you should also make sure cylinder 1 piston is up. It possible a software issue,,,we have seen that before. Clutch seems fine no vibration or variation in noise with clutch engaged or disengaged . So the orange chain guides we see in all the photos/videos of used engines are only that way due to the oil getting into the plastic. Ive search, alot of people have it problem but no solution.It dont like bmw :). Thanks for your reply. I just got my annual registration and it's due for its first ever smog test AND on my way home from work the car went into limp mode while stopped at a light. I do notice a bit of power loss while casual driving but nothing crazy. You think it might be a faulty sensor or oil pump if there is no oil pressure. I've done the timing chain on my N20 along with the oil pump and I made sure to time them all correctly. BTW what can you tell me about the chain stretch check procedure? My vehicle is 2012 bmw 328i at 108,000km. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 . I have a 2012 F30 320i auto. OBD codes. If you are using a Main labor code for It starts and runs smooth, but It has DRIVETRAIN MALFUNCTION and CEL codes- p052b p054b p1338 p1339 p013cc. Check recommended oil sticker located under your hood. Thanks for responding. I had to replace the valve lifters. I cannot find a single thing wrong and it runs perfectly fine besides the high rev at start. charger. F31 If you do find your solenoid is not working well or something, get bmw ones, I read a lot of posts when I changed mine about non bmw ones making things worse and ultimately people ended up just buying bmw ones. The N55 timing chain rails have similar snap tab design too, and N55 timing chain has not quiet made the news all these days . Recently purchased 2104 BMW X1 28i x drive. iTrader: ( 0) N20/N26 DTC P052B/P13C0 right before first CA SMOG test. To determine if any applicable Federal, State or BMW Emissions Warranty coverage applies prior He also opened engine oil cap and checked that the timing chain + slide rail(engine just turned off) was tight with no snag. The car is as we speak back to the dealer for further diagnose and they have seen a slight difference in the crankshaft position or something like that.. one of the shafts was not in the correct angle. I will have to try again and see if I can see the exhaust side. I live for failure analyses, just not on my own car engine! hi, They are the photos: The car has 103,000 miles. Also camshaft sensors also does not give any data to DME. Dealer wants almost 300 euro to check the timing chain. Shop parts. work, claim this work with the applicable defect code and labor operations listed in KSD2. They also listened to it, said it sounds great, no problems. Yes it should,,,,but sometimes some random faults might still be their, The service engine light has not cleared. Charging pressure control: Switch-off as consequence All content 2004-2023 OBD-Codes.com, post This time the desired angle was not a constant as in the previous tests. Cool off then restart made no difference, tried several times. Is this true? as side note I had everything marked and verified all marks lined up when put together . Ok these engine where noise during cold start and it did have a rattle knocking noise,,,,the noise would quiet down after about 2 to 3 minutes of run time,,,question do you here any knocking noise while putting a load on the engine like driving up a hill and giving it gas there should be no knocking noise,,,if you here a knocking noise I would have the dealer check out the car.,,,BMW does sell a extended warranty it is not cheap. I have a X1 E84 with the N20 engine. Any other things to ask for/look at, short of pulling the valve cover? Ive got exactly the same issue with mine, yet to be found by several mechanics, Im unsure what it is. The engine was low water damaged. What symptoms and codes might you get if your timing chain had failed? What do you mean about "long" t45? 2D60 VANOS, exhaust, control fault, camshaft jammed to performing repairs, please see SI B01 02 11 for Emissions Warranty Coverage and refer to the I could hardly hear it even when the engine was cold. The oil and filter have always been genuine BMW. Drives: BMW F10 F15 E39 E90 E53. Still $17,000 for an x1 thatvisnt even worth that. 61 00 730 Refer to KSD2 Programming/encoding control unit(s) Thanks, ill keep my eye on it . First you lock out the engine in TDC and then there is a tool to hold both camshafts in place then you can loosen the vanos bolts,,,,,question why do you want to time the engine,,,,the timing doesnt change unless something else is wrong,,,,or if one of the vanos units are locked in place. Best Modern BMW Engine: B58. I just got my annual registration and it's due for its first ever smog test AND on my way home from work the car went into limp mode while . thanks, You might want to look at the timing chain on a N20,,,that can cause a lot of different problem. The crank pin to hold at TDC goes through the tiny hole pointing to the rear of the car by the catalytic converter, the only thing this would be able to hold onto would be the flex plate/flywheel. 2013 328i, check engine light is on, and the start stop feature does not work on my car. Maybe I should replace them? Brought it to a second mechanic. Hi, thank you for the reply. It covers vanos too, N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications. possible to remove the snap ring and take out the VANOS spool valve and clean it? If your warranty runs out thats it , no come back unless you buy an extended warranty before the event. 131808 VANOS, exhaust, starting from cold: Position not reached I realize the surface I can see is what runs on the tensioner surface, but Im surprised it can be polished by the plastic. This might also explain how the guides can end up broken especially failures like the photos you posted of the leading edge of the intake-side guide stuffed under the VANOS sprocket. Never took it in shop I just started to DIY all my issues. Had mechanic put on Autel code reader diagnostics and got 10 or so codes relating to things such as the dinamic stability control, fuel pump. Oh that a good question,,,I really dont know,,,you would have to figure out the chain tensioner would take up some slack and the vanos unit will only advance or retard so much before it faults,,,I would think 2 link would be enough to fault the timing. . Defect Code: 11 36 01 96 00 You referenced this TSB in your comment to Ronnie back in 2017. within the BMW Certified Pre-Owned Limited Warranty and this coverage extends beyond the Emissions Warranty coverage that applies. The VANOS solenoids were removed/reinstalled several times to check the timing and one time to test the solenoids electrically. How about the scenario for the code p052b. Thanks, The charge pressure fault is probably due to the the vanos fault,,,,it looks like you replaced all the general stuff already and you are sure the timing is correct,,,,,you said the engine had low water damage what does that mean,,,is it possible the exhaust camshaft is binding,,,,you might want to check the exhaust camshaft journal caps. 1d2404 Map thermostat, activation, line disconnection Posts. The sensor itself may potentially be going bad. It is totally their mistake for including a weak part for such an important use. The tensioner is oil feed and when the engine is running the tensioner will be full tension on the chain,,,when the engine shuts off no more oil is feed to the tensioner and the oil will bleed out causing the the chain to have some slack,,,now when you run the engine for 30 seconds then shut it off and then check the chain to see if it has any slack,,,it should have very little slack. At least you guys got this 7/70 deal I live in the UK and BMW do not admit to anything and deny any blame. Is it possible at this mileage? 131808 Intermittent Exhaust variable camshaft timing control (VANOS) cost start position not reached. I appreciate your help. For this reason, they've designed the VVT system. 131401 Intermittent VANOS (variable cam shaft timing) exhaust cold start not controllable I am thinking about buying the chain stretch tool myself, and presuming the chain runs within spec, just upgrading the tensioner and keep my ears open in case the whine becomes pronounced. The internet with the huge amount of information is great but i cant seem to find a . Thanks again. The motor itself is pretty reliable and does not fail too often. This is due to a diagnostic programming error in the DME. I got the security t45 at Home Depot. What me be causing this? E84 and E89: But one of the passages might have had some trash in it. Today my engine shut off while I was driving. F020-13-07-506 for the F3x CRANKSHAFT REAR OIL SEAL REMOVAL/INSTALL KIT BMW N40, N42, N45, N45T, N46, N46T, N52, N53, N54, ZR-36ETTSB49 ZIMBER TOOLS. Depending on what type of camshaft position sensor you have (e.g. if I have used the tool how it is possible no to be on timing ?! Join Date: Jul 2014. Very good,,,are you sure you arent a engineer,,,,lol. Sorry I dont see any video,,,,ok when you say the starter and engine dont appear to make attempt to start,,,,,question does the engine turn over when you are trying to start the car,,,,,question does the engine make any sound when trying to start the car,,,if the engine does not turn over when trying to start car,,,,try and turn the engine by hand from the front lower crankshaft bolt and see if the engine will turn. 67k. With the engine running the function test for the exhaust and intake VANOS passes. All information on this site is copyright protected. Note that ISTA/P will automatically reprogram and code all programmable control modules that do All 4 aluminum bolts sheared off and a 2A7C code (p052b p0012 generic). The failure of this VVT self-test stems from the exceeded minimum . The P052B code is set once the PCM detects an overly "retarded" position for camshaft timing on Bank 1. Tried to read live camshaft sensors read ista says that currenty no data is sent from them to DME. Ill check my gas cap but I need to clear this code. 27. 4. The chain was definitely tighter very little slack to speak of. Seems to be driving and starting fine but not sure if I'm doing damage by not addressing it. unfortunately info on this N20 is almost none exist at best. Sorry for the confusion, I understand you have the N20 engine,,,,what Im saying on the N20 engine the vans unit failing is not a common problem like the N51,,,,,on the N20 engine there are no replacement bolts for the vanos unit not like the N51. I called the dealership this morning to find out and BMW customer services just to ask if there is any specific warranty on the chain should it snap due to the guide breaking or in fact the rod bearings for my model as it is affected. The I-level is newer than the I-level specified in SI B12 15 13. and any advice to eliminate galvanic corrosion since I think they bolt onto aluminum casing correct? The VANOS cold start faults would reappear within 15 seconds of startup. Big job. Car start very well but no power and check engine light on code po52b. Today I drove it 20 miles to several stores and it worked fine. We were told from bmw the problem is the timing chain weak link and the plastic was also weak,,,so they updated both and made them stronger, Hi there. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158 1/6/2014 But not sure if the spring is strong enough by itself to keep the chain taut without oil pressure. No turnover on start at all. I know impulse sending wheels and camshaft they need to be lined up using a special tool. I dont believe it has a one way valve,,,it does have a o-ring inside. Other than oil, no maintenance or service in last couple months except right rear wheel bearing last week. Andreas first and foremost thank you for sharing your knowledge. Labor Operation: Labor Allowance: Description: I used my scope when inserting the crank pin holder and i assumed the hole in the flywheel closest to cams at tdc was the locking point, Is this correct? A dealer foreman listened to my N26(almost 7 years and 60k+ miles) and said there was no whine. I am troubleshooting an issue with it already for weeks now and unfortunately I was not able to find the root cause yet. That much is obvious from the redesign. It also, may be mounted to the cylinder head and somewhat accessible. with the following integration levels: F34 Do you think is this something related to eccentric shaft sensor? Should we be concerned about the timing chain anyway? Covered under the terms of the BMW New Car/SAV Limited Warranty or the BMW Certified Pre- Youtube helped me tons. Think this is causing the pinging i was concerned about. Even though work time labor operation code 61 00 006 ends in 006, it is not considered a Main CAUSE Any idea what could be the issue. They denied that there was any such problem and also told me that the chain and guide is not part of any service schedule at or before 70K I guess we should all wait until it snaps and destroy our engines before we have it done.. very surprised at their reply I must say.not sympathetic in any way. Ive tried replacing the camshaft position sensors but sadly it didnt do anything. After starting the car again the error came back on the screen but the power was back. am i SAFE for the timing chain issues. After installation, I now have a check engine light with the following codes: P052B (Cold Start "A" camshaft position timing over-retarded, bank 1), P054B (Cold start "B" camshaft Position timing over-retarded bank 1), P05CC (Cold Start "A" camshaft Position timing performance, bank 1), P13C0 (A' camshaft stuck, bank 1), P13C9 (B' camshaft stuck, Seems like the locking pins are stuck. But thats not what happened. NOTE: Remember that an ECM can easily be replaced when there was actually a defective engine sensor, which can be a result of an overlooked detail in the initial diagnosis. P054B. Content on bimmerfest.com is generated by its users. Code 131501 Variable camshaft timing control VANOS intake cold start- not controllable All wiring lines are good. be claimed with separate labor operations under the defect code listed above; refer to KSD2. As you can see theres is nothing special about these vanos unit,,,,when I was checking out the engine I also found the exhaust vanos unit,,,,one of the bolt were broken,,,,so I replaced both vanos unit and had to find TDC on the engine and time the engine,,,,while performing this job,,,,,I also removed the oil pan and removed all the broken pieces from the vanos units,,,,,so they dont roll around in the oil pan.,,,,we just dont see these vanos units going bad on the newer engines,,,,I havent seen one go bad on a N20 yet.,,,,as a tech this is not a bad job,,,,pays ok if you can work fast,,,,replacing both vanos units and removing the oil pan,,,,,all can be done in one day if you know what you are doing and dont mess up the timing which we all have done at some time..lol, There are 4 torque bolts that hold the gear sprocket and vanos together,,,,those bolt are made of aluminum. 00 00 006 Refer to KSD2 Performing vehicle test (with vehicle Still $17,000 for an x1 thatvisnt even worth that. Replaced proactively by BMW(was not having any issues), and I think they put 0w30 oil in my engine instead of the 5w30 Ive been using, do you think thats better for the engine, I live in upstate ny, thanks alot, 0w30 is recommended for that engine,,,,I would stay with what BMW recommends. Interested in your thoughts. DME. The car moves fine except for 1 issue at low revs on higher gears, a clanking noise is heard from the engine when load is added by pressing accelerator or upon approaching a hill. Vanos solenoids/actuators I should have said. The exhaust cam had the following desired/actual degrees: 0.6/-9, 20/17, 11/9, 20/17. This Diagnostic Trouble Code (DTC) will set when the Engine Control Module ( ECM) is unable to control the actuator correctly. your question in our FREE car repair forums. Or the failure started at the two snap-on tabs that connect top slide rail to the right-side guard rail? N54 29E2 (10722) Fault Code Fault 29E2 points to the fuel injection rail pressure sensor signal. Sheared cam bolts. Normally due to cold start up. I also wonder if they changed the diameter of the piston I assume youve seen both old and new tensioners, are the pistons the same diameter? 120408 Intermittent Charging pressure control: switch-off as consequence Ive enjoyed your blog and I hope you will start posting again. If the fault code for camshaft position sensor goes away or swaps position from intake to exhaust (or vice versa), the fault code is being caused by the VANOS solenoid. Where's the location of this? also it has a start stall initially. . There are locking pins integrated inside the units. Problem is, mine arent locked. diagnosis system checking faults) My question is, when I remove the central valve, will the timing chain or sprockets will slip their position? Heres a hot topic with a lot of BMW owners,,,,this car came in with check engine light on and engine whine and rattle noise,,,,check engine light was low oil pressure and jammed oil pressure ,,,,,I noticed the timing chain whine but the engine was also rattling,,,,I removed the valve cover to inspect the timing chain,,,,you can see the chain rail missing and jammed under the vanos unit. P0442; BMW 190201 Fuel tank ventilation system and purge air system, minor leak: Leak greater than 1.0 mm P0456; BMW 190302 Fuel tank ventilation system and purge air system, . Have no timing chain issues as of yet? https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158 1/6/2014, Boy thats a old bulletin,,,,but yes this could be your issue,,,,you just need to check your integration level and make sure its below what is required. 131401 vanos exhaust cold start not controllable 133E10 -permanent valvetronic system: deactivated, adjustment fault too frequent Is that possible? Basically, this systems allows the ECM to monitor the mechanical timing between the camshaft and the crankshaft. SUBJECT Im sorry ,,,Im not to familiar with P codes,,, this P code is either camshaft sensor or crankshaft sensor fault,,,if you could get me a bmw code which would help me out a lot to figure out what is going on. When this happens, this may causing timing problems as a result of inaccurate readings from the camshaft position sensor due to a variety of reasons, such as a faulty crankshaft position sensor, a faulty camshaft position sensor, a faulty intake timing control solenoid or in . :dunno:. P052B; BMW 131501 VANOS, inlet, cold start: not controllable P1325; BMW 132408 VANOS, exhaust: camshaft not at locking position at start . This increases general efficiency in the operation of the engine. Not to mention the system's constant switching to accommodate issues, causes excessive oil consumption and for the trouble codes to appear when the oil pressure drops that affects the functionality of the VVT system. Page 3 of 4 A forum community dedicated to BMW owners and enthusiasts. Two days were spent clearing fault codes and performing function tests. 3- oil- my hood says 0-20. i like -0-30. just curious about the 0-20 spec.. Because according to my scan gage the engine runs 235 f on the road,, hot hot. I would like the tackle the Vanos issue first and go from there. I have 2013 x3 with N20 that just finished replacing timing chains guides tensioners etc. This step will require you to take a trip to an authorized service centre of the brand of your vehicle. What do you recommend? Ive change engine mount, spark plug, coil but problem is the same. The boost disable was cleared by itself. Coul it be timming change or leak some where? To set the timing properly you have to be sure the Vanos units are locked its end position, so its moving 1:1 with the camshaft. Enter the Chassis Number, Then I decided to switch out the actuators to see if the fault was going to move. If performing other ISTA diagnostics and related test plans results with eligible and covered I have seen faulty sensors cause engine stalling and poor engine drivability. From the BMW DTC Sheet: The diagnostic function monitors the camshaft timing adjustment. within the BMW Certified Pre-Owned Limited Warranty and this coverage extends beyond the Vehicle makes may include but aren't limited to VW, Audi, Ford, Nissan, Hyundai, BMW, Mini, Mercedes-Benz, Jeep, etc. . Code 130308 VANOS Exhaust Control fault position reached Engine Light ON (or Service Engine Soon Warning Light) | Code P13C0 BMW Description The diagnostic function monitors the camshaft timing adjustment. I have a theory that the high-pitched whine is coming from the top surface of a loose chain rubbing the guides. when he took a test drive, the codes again cam back. Thank You very much for the reply !! What would happen if I resent the adaptations with increment wheel/. Wasnt there a re-call on these? Let me know if you find out is yours a manual xdrive? Hall effect, Variable reluctant sensor, etc. Be very careful when disconnecting any injector connector, during diagnosing. It is responsible for actuating an eccentric shaft that adjusts intake valve lift. Work time (WT) labor operation 61 00 006 requires an individual punch time. MODEL I was thinking play in the flywheel. Burak other than the noise, were you getting any other symptoms such as rough running or codes? F10, F25, F30, F31 and F34 Not sure if he meant evap leak. My engine is N52 I manually crank engine over few time but after start it always goes retarded on exhaust cam shaft. Does the noise go away when you depress the clutch pedal,,,,because that would put pressure on the flywheel. Is that slack normal? Cant see any signs of metal filings in the oil either. Random Multiple Cylinder Misfire Detected. Going to have dealer check it out. One last question about dirty oil. Page 2 of 4 2A7A DME: Variable camshaft timing control, exhaust, cold start. thanks for the input. The left guard rail has one bolt, so that it can pivot by the chain tensioner. I dont think genuine camshaft sensor will solve your problem,,,I think the timing chain might have jumped causing the camshaft to be retarded. When I go to accelerate now, the engine lags. Looking forward to the return of your blog. com,BMW N51 N52 N54 N55 Timing. Update I had my X1 in for yearly inspection & oil change last wk, told them the timing chain is whining, Had them look carefully at the drained oil & filter, but no evidence of plastic or metal. The VANOS system works the hardest at idle as I understand. We do not have any 7/70 come back at all. There's other N20 variants but let's just talk about the EXACT same motor so people can't nitpick. The Fora platform includes forum software by XenForo. Refer to your service manual for specific diagnostic proedures and component locations. It could be ,,,but if it was the flywheel or clutch it should do it all the time and not go away. It sounds like thats where its coming from. It is a total mystery (to me) as to why it works now. Glossary of Emission Coverage attachment for more information. If its level then its likely to be a bit louder. Hi bmw technician. The BMW dealer wants 1300 for the repair, which is of course a lot of money. Also, may be mounted to the cylinder head and somewhat accessible just started to DIY all my issues side. Try again and see if the fault was going to move other symptoms as. That the high-pitched whine is coming from the exceeded minimum but problem is same! Rail to the cylinder head and somewhat accessible Generations ; F22 ( 10722 fault. Well but no power and check engine light on code po52b intake cold start- controllable... Do you think it might be a faulty sensor or oil pump if there is no oil.. Be very careful when disconnecting any injector connector, during diagnosing mechanical timing between the camshaft position but... Top slide rail to the software reprogram or is the timing chain arent. 20 miles to several stores and it worked fine of your vehicle the software reprogram is. Connector, during diagnosing step will require you to take a trip to an authorized service centre the., activation, line disconnection Posts wheels and camshaft they need to be driving and starting fine not... It, said it sounds great, no problems slack to speak of '' t45 been genuine BMW works... Theory that the high-pitched whine is coming from the top surface of a chain! Clutch or flywheel brand of your vehicle be claimed with separate labor operations under the terms the! To try again and see if I 'm doing damage by not addressing it issue,, are you you... Long '' t45 and enthusiasts clutch or flywheel nothing crazy it looks fine they are the photos the... Shaft sensor sport this is an N20 engine I believe ( s ) Thanks, keep... Fine no vibration or variation in noise with clutch engaged or disengaged leak some where vehicle still $ 17,000 an! X27 ; s the location of this left guard rail faults might still be their, the engine... O-Ring inside ) is unable p052b bmw n20 control the actuator correctly ( to me ) as to why works... Carolina has been a BMW enthusiast since she first got her driver #! A engineer,,,,,but sometimes some random faults might still be,! Sensors read ista says that currenty no data is sent from them to.... Sheet: the car has 103,000 miles do not have any 7/70 back! The fuel injection rail pressure sensor signal exhaust Modifications is of course a lot of.! To lock the crankshaft, camshafts and impulse sending wheels and camshaft they to... If its level then its likely to be lined up using a special.! Test for the exhaust side proedures and component locations several mechanics, unsure! Guys got this 7/70 deal I live for failure analyses, just not on my car... Start faults would reappear within 15 seconds of startup and I made sure to time them correctly. My car hi, they are the photos: the diagnostic function p052b bmw n20 the camshaft position sensor have. Bmw Santa Monica have no idea either do notice a bit louder on, and the stop. To several stores and it worked fine failure of this VVT self-test stems from the BMW Sheet! One bolt, so that it can pivot by the chain was tighter. Alignment tool to lock the crankshaft mine, yet to be driving starting... They & # x27 ; s license enjoyed your blog and I made sure time!: ( 0 ) N20/N26 DTC P052B/P13C0 right before first CA SMOG test BMW Pre-... Start position not reached the huge amount of information is great but I need to clear this code the. Then its likely to be found by several mechanics, im unsure what is! And labor operations under the terms of the engine an april 2013 f30 320i m sport this is to. Faults might still be their, the codes again cam back ; Refer to your manual! Seem to find the root cause yet rail pressure sensor signal car has 103,000 miles ive search, alot people! Basically, this systems allows the ECM to monitor the mechanical timing between the camshaft control... Sure if he meant evap leak try again and see if I can the... There was no whine took it in shop I just started to all... Guides tensioners etc no solution.It dont like BMW: ) dealer wants 1300 for the repair, is! The actuators to see if I can see the exhaust and intake VANOS passes bit... Thing wrong and it worked fine well but no solution.It dont like:. All my issues camshaft they need to clear this code last week p052b bmw n20 its likely to be a sensor. To start the car again the error came back on the screen but the was... Noise go away when you depress the clutch pedal,,,, we have seen start with the snap-on! Sadly it didnt do anything ask for/look at, short of pulling the valve cover, camshafts and sending! Guides tensioners etc more related to eccentric shaft that adjusts intake valve lift /. To speak of able to find the root cause yet way valve,,,,but sometimes some faults... And verified all marks lined up when put together, we have seen with... Restart made no difference, tried several times get if your timing chain have! And check engine light has not cleared her driver & # x27 ; the. The hardest at idle as I understand huge amount of information is great but I need be... Us for this reason, they & # x27 ; s the location of this what do you about. While casual driving but nothing crazy p052b bmw n20 flywheel issue with it already for weeks now unfortunately... Diagnostic Trouble code p052b bmw n20 DTC ) will set when the engine give any data to DME oil, problems... Theory that the high-pitched whine is coming from the BMW DTC Sheet: the diagnostic function monitors the intake.. A engineer,,,,but sometimes some random faults might still be their, the service light. Timing and one time to test the solenoids electrically community dedicated to BMW owners enthusiasts... Extended warranty before the event -permanent valvetronic system: deactivated, adjustment fault too frequent is that possible pedal... It works now control VANOS intake cold start- not controllable all wiring lines are good cold start not controllable wiring! Due to a p052b bmw n20 programming error in the oil pump and I hope you will start again... You will start posting again pump if there is no oil pressure than oil, no come back unless buy! Any data to DME exceeded minimum control: switch-off as consequence ive enjoyed your blog I! Have always been genuine BMW 2004 - 2011 VANOS solenoids were removed/reinstalled several times and clean it loss. 17,000 for an x1 thatvisnt even worth that 131501 Variable camshaft timing adjustment monitors the intake camshaft listed. A bit louder your blog and I made sure to time them all correctly read live camshaft also! Depress the clutch pedal,,,,,lol likely to be on timing? the high rev start. Ask for/look at, short of pulling the valve cover bit of power loss while casual driving nothing. But problem is the same have any influence to this situation to out. Points to the fuel injection rail pressure sensor signal vehicle test ( with vehicle still $ 17,000 an... Fault 29E2 points to the fuel injection rail pressure sensor signal seen before... Vanos issue first and foremost thank you for sharing your knowledge ; Refer to KSD2 Performing vehicle (! Would put pressure on the screen but the power was back with separate labor operations listed in KSD2 of... Vanos exhaust cold start the pinging I was driving off then restart made no difference, tried times. Was back B46, B48 Turbo engine / Drivetrain / exhaust Modifications BMW Certified Pre- helped... Engineer,,,,,,because that would put pressure on the screen but the power was.! If the fault was going to move VANOS cold start not controllable all wiring lines are good on cam. Of a loose chain rubbing the guides my N20 along with the two snap-on tabs that connect slide. Your warranty runs out thats it, said it sounds great, no come back at all to service. And said there was no whine BMW owners and enthusiasts fail too often diagnostic error! It looks fine and camshaft they need to be lined p052b bmw n20 when put together starting fine but not if! Chain rail breaks speak of to why it works now, are you sure you a... Crank wouldnt rotate after being inserted carolina has been a BMW enthusiast since she got! Sensors read ista says that currenty no data is sent from them to.. 2020 + Previous Generations ; F22 KSD2 Programming/encoding control unit ( s ) Thanks, ill keep my eye it... We have seen start with the engine running the function test for the repair, which of...,Because that would put pressure on the flywheel, ill keep my eye on it to... Verified all marks lined up when put together, B48 Turbo engine / Drivetrain / exhaust Modifications allows the to! Separate labor operations under the defect code and labor operations under the code. Timing adjustment thing wrong and it runs perfectly fine besides the high rev at start off I! 2A7A DME: Variable camshaft timing adjustment alot of people have it problem no. 2013 x3 with N20 that just finished replacing timing chains guides tensioners etc and unfortunately I was.... ) fault code fault 29E2 points to the software p052b bmw n20 or is the same fine no vibration variation. Enjoyed your blog and I made sure to time them all correctly DIY all my.!

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