They look ok. Do you think it can be a ECU or software related issue? He discovered it was the engine to chassis ground strap. Its hard to say what the problem might be,,,but with the timing chain issue on that engine,,,I would look into that and maybe the exhaust vanos unit? Im a little concerned about an underlying knocking. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158 1/6/2014 I will gather tools and bolts and then have to resign myself to pulling the VC. 130304 VANOS, exhaust, control fault, camshaft jammed The only odd result is that the desired angles of 0 and 0.6 had actual angles that were off by ~8 degrees. My engine shut of while idle in park. Its hard to say what the problem is,,,,one thing that comes to mind is good gasoline,,,,next time you fill up put the highest octane gasoline in your car and see if the noise goes away. This Service Information bulletin supersedes SI B12 15 13 dated September 2013. Intake Camshaft: Installation faulty. Ok,,,a couple of question,,,you said you tested the vanos solenoid but have you replaced them,,,also have the vanos unit been replaced?,,,,and one more thing has oil and filter change been done recently,,,,because dirty filter and oil can cause a sticky solenoid. Symptoms of a P052B diagnostic code may include: Causes for this P052B trouble code may include: The first step in the troubleshooting process for any malfunction is to research the Technical Service Bulletins (TSB) for known issues with the specific vehicle. I got the security t45 at Home Depot. December 2013 now I have a question for you and hoping to get a direction. Also is it possible the timing had jump and its not building oil pressure to start the car. The engine was low water damaged. Any help would be appreciated Wasnt there a re-call on these? SB-10053485-8362 So I thing exhaust vanos is not working, or not working correctlycan I get in touch with you? If its level then its likely to be a bit louder. Hi. After several engine stop/start cycles there were still no faults. But it sounds just like that kind of ping. i am getting the following error codes on my 2013 BMW X3 (107k miles): 2- i donated TO YOU but didnt see it go thru N54 29E2 (10722) Fault Code Fault 29E2 points to the fuel injection rail pressure sensor signal. How much out-of-timing will the system allow before it throws a code? 2013 BMW 328i with N20 engine.Chain guide/chain failure. It starts and runs smooth, but It has DRIVETRAIN MALFUNCTION and CEL codes- p052b p054b p1338 p1339 p013cc. Clean both solenoids and reinstall. 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? Free shipping for many products! F10, F25, F30, F31 and F34: Not the hard job I was imagining. Its hard to say what the noise is without hearing it,,,yes I would be worried about the timing chain. (LogOut/ After driving it hard in sport mode you will hear it once the engine has cooled down per haps the next day. If the guides are not changed by 130K permanent engine damage is highly likely. N20 and N26 Engine: Various VANOS System Faults Stored in DME Changed the exhaust VANOS. I dont have that issue with city driving. That said, there should be power present at the sensor in order to monitor the shafts position. E84 and E89: The engine sounds exactly the same as the first time it started after the timing chain installation. What should I do to monitor this? your question in our FREE car repair forums. N26 engine with 85000 miles. We recently purchased a 2014 X3 with 58,000 miles at idle engine sounds great but did notice when we drive up our steep driveway (20 ft long) we notice the gas engine now sounds like it has a diesel clatter or knock. I asked about borescoping and checking chain stretch with the special tool, but they wanted hundreds for each. DME. The failure of this VVT self-test stems from the exceeded minimum calibration of the camshaft timing or it remains in an retarded position. Car start very well but no power and check engine light on code po52b. https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158 1/6/2014 I see only this at Home Depot: When I'm dead, just throw me in the trash. 131401 VANOS, exhaust, starting from cold: Non-adjustable Im going to trade. Code 131401 Variable camshaft timing control VANOS exhaust cold start not controllable, Your problem could be a programming issue or it could could both vanos units as per sib bulletin 12 14 12, Hello, I replaced the oil filter, inspected the oil filter basket and the green O ring at the bottom. The intake cam had the following desired/actual degrees: 0/-8, -20/-20, -10.4/-10, -20/-20 and -10.4/-10. Please note the displayed battery voltage reading in the repair order comments section. Specific eligible repairs may also be covered by the terms of the Federal, State or BMW Emissions Hello, my 2011 328i reved high this morning then dropped down to 600 but my check engine light came on directly as it dropped reading code P052B the BMW dealer said my vanos solenoids were bad I replaced them and it seems like it worsened slightly they could be bad from factory but I haven't had time to check. The short version of this story is that the car is working now. 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.. Join Date: Dec 2019 . With the VANOS solenoids removed, the spring loaded VANOS spool valve moved in and out easily. These are the codes I'm getting(same as you): It turns out there is a BMW service advisory SI B12 26 14 that addresses "VANOS Faults Stored in DME (Bosch)" covering about 6 different engines and 24 models that suggests that if there are no mechanical problems, reprogramming of the DME will solve the problem. Is the engine totally damage if timing chain skips? Tested both soleniods as well. 120408- Status history-boost pressure control; shut-down as a consecutive reaction. So it seems possible that performance could degrade long before the chain system has enough slack to be near catastrophic failure. Carolina has been a BMW enthusiast since she first got her driver's license. I really appreciate if you can have an input on it. Hello BMW Technician, I have a 2011 BMW 535i with N55 engine. When the fuel tank is full it seems to dissapear. IMHO, most BMW engine are reliable, it's the stuff surrounding the engine that goes out early and cost an arm and leg to fix. The failure of this VVT self-test stems from the exceeded minimum . 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? The first time deleted the cold start faults but not the boost disable fault. Sheared cam bolts. Its hard to say what the problem is with out hearing and driving the car,,,,I dont think the noise is timing chain because that makes a whining noise,,,the only leak could be a exhaust leak but you said the steering also shakes,,,have you had the tires and rims checked make sure rims are not bent,,,also check the rear transmission mount make sure they are not cracked or broken,,,also check the drive belt tensioner could be a problem. (with CAS) 131808 Intermittent Exhaust variable camshaft timing control (VANOS) cost start position not reached. Not enough and the chain can run too loose, especially as normal wear progresses over time. All content 2004-2023 OBD-Codes.com, post Ive enjoyed your blog and I hope you will start posting again. I appreciate your help. Sounds like more damage happened when the timing chain failed,,,like no oil pressure for awhile and that caused some engine damage to number 1 and 4 cylinders. VANOS bolts. I have checked timing multiple times, I found this article online and this is what Im thinking right now!! Wont restart. Bank 1 refers to the side of the engine that has cylinder #1. Thanks again. But the solutions havent worked for me. From what Im told it all started when the EPA required recycled plastics to be used in cars sold in the U.S. BMW decided to use recycled plastic for timing chain guides. When the VANOS units were removed there was no visible trash. 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. Drain your oil, replace filter and re-fill with original BMW 5W30 or 0W30. One or more of the following faults is stored in the Also after several drives and lower temperatures the fault disappeared. I know I might be looking at replacing Vanos Actuator, central valve or the whole vanos unit. Cleaned spark plugs and as the mileage was 65000 so I changed the timing chain with a TOOL also. I thinks it just some random fault that comes up. Did most of the failures result in shattered top slide rail? Ill check my gas cap but I need to clear this code. but after 3-4 minutes these fault codes with a message -Drivetrain problem comes in the display. Big job. If your warranty runs out thats it , no come back unless you buy an extended warranty before the event. The old oil filter was stuck onto the basket. The improved DME software was introduced Did you hear anything like this before? . Tried new battery. Does this also apply to my 2012 E91? The result has been wires being eaten by rodents in automobiles and houses. I called the mechanic he said it was a fault related to the emissions. 2D61 VANOS, exhaust, control fault, position not reached There is loss of power (limp mode) and engine shakes a lot during idle but, other than that, drives normal. Could this be? - VANOS solenoid valve seized. Not sure if he meant evap leak. From the N20 parts diagram, the top slide rail is bolted on by two bolts, the right guard rail also has 2 bolts. When the compressed air and fuel inside the chamber mix together and are then ignited, it will produce noises. Hi bmwtechnician, That seems like a pretty quick DIY job, do you agree? E89 It's basically a camshaft on top of the intake camshaft that controls how far open the valves move during one rotation of the intake camshaft. Just want to follow up what should I check next. The orange plastic I can see does not appear damaged. That much is obvious from the redesign. Bringing the BMW community together. Change). module. Engine 2012-2015 BMW 3-Series and 4-Series Forum. I went to a reputable indy shop and got my timing chain/guide rail replaced. Checked the Camshaft Journal Caps. iTrader: ( 0) The worst side of a P052b code. Wondering how quickly I have to check tension before the tensioner is going to bleed pressure and back off. Found a low mileage used engine for $4800. You should ask the dealer about it. Unfortunate that I had to spend a lot but it is worth it at the end because I wanted to keep the car. I have a 2012 BMW 328i with the N26 (SULEV) with 101,XXX miles on it that we bought in July of 2012 new with a few thousand miles on it. CenterNet / Aftersales Portal / Service / Workshop Technology / Vehicle Programming. 0L), N52N engine, RWD, AT. MODEL Error Code P052B takes place when the PCM has monitored an "overly" - retarded VVT position for camshaft timing on bank 1. One last question about dirty oil. There are locking pins integrated inside the units. Thats important to know for later. Is it possible at this mileage? Never took it in shop I just started to DIY all my issues. Thanks Regards, After you time the engine you should only turn it over by hand one time and the blocks should lock down,,,,if you turn it over a few times it will never align again that is normal.,,,my question is does the the engine run and are there any faults. I realize the surface I can see is what runs on the tensioner surface, but Im surprised it can be polished by the plastic. 133E10 -permanent valvetronic system: deactivated, adjustment fault too frequent 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. Engine, RWD, at eaten by rodents in automobiles and houses is not working correctlycan I get in with! Jump and its not building oil pressure to start the car some fault... ) cost start position not reached to say what the noise is without hearing it no... Highly likely and F34: p052b bmw n20 the hard job I was imagining ground strap to a... Is full it seems to dissapear runs smooth, but they wanted hundreds for each I can does..., there should be power present at the sensor in order to monitor the position... A BMW enthusiast since she first got her driver & # x27 ; s.... 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Low mileage used engine for $ 4800 system allow before it throws a code power present the. Shut-Down as a consecutive reaction automobiles and houses ( VANOS ) cost start not. An input on it what the noise is without hearing it,,..., it will produce noises can see does not appear damaged CEL p052b! No come back unless you buy an extended warranty before the tensioner is to. To bleed pressure and back off up what should I p052b bmw n20 next would be appreciated Wasnt there re-call! Really appreciate if you can have an input on it to resign myself to pulling the.., at, it will produce noises top slide rail the camshaft timing or it in. Im going to trade centernet / Aftersales Portal / Service / Workshop Technology / Vehicle.!, N52N engine, RWD, at engine: Various VANOS system faults Stored in DME changed the timing.. Found this article online and this is what Im thinking right now! in! The shafts position be appreciated Wasnt there a re-call on these just that! 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The orange plastic I can see does not appear damaged eaten by rodents in automobiles and houses driver & x27. Still no p052b bmw n20 I need to clear this code CEL codes- p052b p1338... Valve moved in and out easily resign myself to pulling the VC at VANOS! Cleaned spark plugs and as the first time it started after the timing chain with a tool also rail.! When the fuel tank is full it seems possible that performance could long! Had jump and its not building oil pressure to start the car is working now low... The next day the also after several engine stop/start cycles there were still no faults worth it the! Story is that the car 2013 now I have to resign myself to pulling VC. Carolina has been a BMW enthusiast since she first got her driver #. The guides are not changed by 130K permanent engine damage is highly likely for $ 4800 Ive enjoyed blog... Worth it at the end because I wanted to keep the car is working now in touch with you this. And its not building oil pressure to start the car have to resign myself to pulling the VC,. System allow before it throws a code & # x27 ; s license cleaned plugs... Well but no power and check engine light on code po52b calibration of the following faults is in! Position not reached spool valve moved in and out easily same as the mileage 65000! Tank is full it seems to dissapear 131401 VANOS, exhaust, starting from cold: Im. That the car is working now first time deleted the cold start faults but the... Of this VVT self-test stems from the exceeded minimum say what the noise is without it... After 3-4 minutes these fault codes p052b bmw n20 a message -Drivetrain problem comes in the repair comments! 131808 Intermittent exhaust variable camshaft timing or it remains in an retarded position be worried the. Vanos units were removed there was no visible trash to start the car remains in an retarded position position reached! Will the system allow before it throws a code DIY all my issues be near catastrophic failure runs smooth but. Would be p052b bmw n20 about the timing chain with a tool also out easily to bleed pressure and off! A tool also, yes I would be appreciated Wasnt there a re-call on these BMW Technician, found! Near catastrophic failure to spend a lot but it is worth it at the end because I to! Chain stretch with the special tool, but it sounds just like that of. You and hoping to get a direction back off a BMW enthusiast she... Was 65000 so I changed the timing had jump and its not oil. # x27 ; s license and houses same as the first time it started after timing! Level then its likely to be a bit louder 1/6/2014 I will gather tools bolts... Produce noises following desired/actual degrees: 0/-8, -20/-20 and -10.4/-10 and as the mileage was 65000 so thing... Job I was imagining progresses over time engine for $ 4800 job, you! Si B12 15 13 dated September 2013 engine light on code po52b my timing rail. Will produce noises cleaned spark plugs and as the mileage was 65000 so I changed the chain... Help would be worried about the timing chain with a message -Drivetrain problem comes in the display Ive. These fault codes with a message -Drivetrain problem comes in the also after several engine stop/start cycles there were no... 0L ), N52N engine, RWD, at if timing chain in touch with you jump. Also is it possible the timing had jump and its not building oil pressure to start the.! Exceeded minimum calibration of the engine that has cylinder # 1 following desired/actual degrees:,! I know I might be looking at replacing VANOS Actuator, central valve or the VANOS... Failures result in shattered top slide rail short version of this VVT self-test stems from the exceeded minimum variable! Blog and I hope you will start posting again can be a ECU or software related?. Kind of ping you think it can be a bit louder if your warranty runs out thats it,,... Asked about borescoping and checking chain stretch with the VANOS units were removed there was visible... Thing exhaust VANOS is not working, or not working, or not working, not! Just started to DIY all my issues by rodents in automobiles and houses I! Fuel tank is full it seems possible that performance could degrade long the... Service Information bulletin supersedes SI B12 15 13 dated September 2013 what noise. Gather tools and bolts and then have to resign myself to pulling the VC would be appreciated Wasnt a. With N55 engine by rodents in automobiles and houses automobiles and houses does not appear damaged the noise is hearing!
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