Everything works, radio, windows, Locks. I didn't think much of it because the car was running smoothly. Left/Right and Front/Rear are determined as though you are sitting in the driver's seat. 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. Could this be? That why they did that 7/70 for certain models and years. Hi. But I realized that the part of the chain Im touching is between the two camshafts, so the slack could also depend on where each camshaft stops rotating on the lobes in addition to what the tensioner is or isnt doing to the slack side of the chain before the first camshaft. Error codes are P052B, P054B (Vanos inlet and exhaust uncontrollable) and P13C0, P13C9 (Vanos inlet and exhaust control fault). But that means the camshafts can come to rest slightly out of timing, and only are properly timed when theres hydraulic pressure! BMW offered me 20% off a brand new engine. If your warranty runs out thats it , no come back unless you buy an extended warranty before the event. Codes immediately reset after clearing with scan tool. Im wondering if I can just replace those bolts with new steel ones , my car is out of warranty and it has not develop any issues yet , but as precautionary measure I was wondering if this is possible? 126. Like mentioned, they tend to be extremely brittle. The last oil change was two years ago but only 2200 miles were driven. If you still need help regarding the P052B trouble code, please post . P052B - Cold start A camshaft position timing Over-Retarded bank 1. Advanced diagnostic steps become very vehicle specific and may require the appropriate advanced equipment and knowledge to perform accurately. Other than oil, no maintenance or service in last couple months except right rear wheel bearing last week. 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. Hey I have a 2012 528i xdrive, Im getting misfires on all 4 cylinders and also a p1339 code. That test sets the cam to a desired number of degrees and reads the actual degrees. iTrader: ( 0) N20/N26 DTC P052B/P13C0 right before first CA SMOG test. Ill try what you suggest. Sorry for the confusion, No, Learn how your comment data is processed. N20 and N26 Engine: Various VANOS System Faults Stored in DME MODEL E84 E89 F10 F25 F30 F31 F34 . (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. The cold chain + slide rail has a slight play, maybe 1-2mm. Would have thought yes, but your description indicates no. I went to a reputable indy shop and got my timing chain/guide rail replaced. After many iterations I decided to restart the engine without clearing the boost disable fault and amazingly the VANOS cold start faults didnt appear. 2. The oil filter element appears to collapsed / sucked in at the center. He did suggest to authorize diagnostics($200) so that the shop can dump car data to BMW headquarter to further evaluate. repairs to the engine valve train assembly. 2013 BMW 328i with N20 engine.Chain guide/chain failure. I have an april 2013 f30 320i m sport this is an N20 engine I believe. This guy puts it down to crankshaft noise oscilation. 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. Would you suspect this is more related to the software reprogram or is the timing off? This test sets a desired crankshaft angle for the VANOS and measures the actual angle. I see only this at Home Depot: When I'm dead, just throw me in the trash. 61 00 730 Refer to KSD2 Programming/encoding control unit(s) Labor Operation: Labor Allowance: Description: A forum community dedicated to BMW owners and enthusiasts. DME. 130304 VANOS, exhaust, control fault, camshaft jammed Thanks for any input. When I get my oil changed next week, Im asking for the used oil to be strained, and borescope through the drain hole and fill cap hole, to look for evidence of failure (plastic bits primarily). I appreciate any input. with the following integration levels: Code P052B R A Diesel Tech 3.07K subscribers Subscribe 15K views 3 years ago. 61 00 720 Refer to KSD2 Programming / encoding control unit(s) From the BMW DTC Sheet: The diagnostic function monitors the camshaft timing adjustment. I have a X1 E84 with the N20 engine. I have an 2010 E91 and this whole VANOS bolt thing makes me very nervous. 2013 328i, check engine light is on, and the start stop feature does not work on my car. your question in our FREE car repair forums, The intake valve timing control solenoid valve is defective, The intake valve timing intermediate lock control solenoid valve is flawed, The signal pick-up portion of the camshaft has accumulated debris, The timing chain is incorrectly installed, Foreign matter contaminates the oil groove for intake valve timing control. Andreas I dont know how sensitive the performance is to camshaft timing, but from seeing other videos/pics an elongation of 1 or 2 links worth or so seems pretty common and seems to go hand-in-hand with cracking of the flimsiest parts of the descending guide, but not full-blown failure with bits and pieces in the drain pan. Another system the ECM is required to monitor and adjust accordingly is, the variable valve timing (VVT) system. Replace the solenoid that the code followed. Whether the engine is cold or warm, the VANOS faults appear within 15 seconds of startup. At cruising speed it's hardly working I'm told. Hi Andraes, has BMW field engineers offer any explanation how this whole mechanism failed? F10, F25, F30, F31 and F34: Just want to follow up what should I check next. Yes you need to buy the camshaft locking tools,,,,the timing will slip,,,,you need a t-stat also,,,,the charge pressure fault may be due to the vanos unit,,,,the trailer issue is a random fault,,,,hope this helps. The boost disable fault was cleared and the engine restarted. . Please note the displayed battery voltage reading in the repair order comments section. I Ask an Expert Car Questions BMW Questions I have a 2013 bmw x1 with an n20 engine that has a code Daniel, BMW Diagnostician 2,207 Satisfied Customers BMW Master Technician Daniel is online now Continue Related BMW Questions But it sounds just like that kind of ping. The actual degree values for both varied by a few degrees and the actual angle shown is my average value. One or two links is around 2% of the chains length, and it seems that could definitely throw off the timing of the intake cam some, and even more on the exhaust cam (since that is more than half-way around the chains length from the crankshaft sprocket). Could not find any comcrete info on whether this issue is addressed in Canada and I am covered. CRANKSHAFT REAR OIL SEAL REMOVAL/INSTALL KIT BMW N40, N42, N45, N45T, N46, N46T, N52, N53, N54, ZR-36ETTSB49 ZIMBER TOOLS. Hi,I just bought the parts for change and discovered some dirt pieces inside the chain plastic rail. https://drive.google.com/file/d/1RszUHEY3puQeb9HziF_Ke5CNnHnTHzV2/view?usp=sharing, https://drive.google.com/file/d/1RvUT8xGJjlndf3-fRBawT5P9OLM-8N1_/view?usp=sharing, https://drive.google.com/file/d/1S8SX_DUAEJsZGepHXwck8GHQPlYEg2Ni/view?usp=sharing, I dont remember the dirt pieces inside,,,can you go to your dealership and compare your parts from some new dealer pieces, Hi With the VANOS solenoids removed, the spring loaded VANOS spool valve moved in and out easily. as suggested by dealer over phone or something else? howd you guess? Is my engine seized because of this scenario. Limped home of course. 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. no hesitation. The failure of this VVT self-test stems from the exceeded minimum calibration of the camshaft timing or it remains in an retarded position. 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. No, depressing the clutch has no effect at all. 2D56 VANOS, exhaust, starting from cold: Position not reached The P0012 is a trouble code that often pops in OBD2 scans of BMWs and it means Intake Camshaft Position Timing- Over-Retarded (Bank 1). Charging pressure control: Switch-off as consequence Going to have dealer check it out. 00 inc vat N13 - BMW Timing chain replacement 599. module. Cylinder 1 and Cylinder 4 and losing 25% compression after timing guides failed, what is the possible causes? I see that I was only seeing the intake side. 131401 vanos exhaust cold start not controllable Just replaced timing chain and oil pump module on n20 13 528i xdrive. work, claim this work with the applicable defect code and labor operations listed in KSD2. 2A7A DME: Variable camshaft timing control, exhaust, cold start. Would I be covered under the 7/70k extended warranty ? WARRANTY INFORMATION Engine oil level is too low. None of my complaints was on paperwork, the SA said to get the complaint on record, I had to pay $200 diagnostics before they will put anything on paper. When engine starts cam shaft on exhaust goes all the way to the end. They also listened to it, said it sounds great, no problems. 130104 VANOS, intake, control fault, camshaft jammed My car have no error code, product 4/2012 with no tune. The VANOS solenoids were removed/reinstalled several times to check the timing and one time to test the solenoids electrically. Have no timing chain issues as of yet? Burak other than the noise, were you getting any other symptoms such as rough running or codes? Still $17,000 for an x1 thatvisnt even worth that. Thanks for your instant reply. I asked about borescoping and checking chain stretch with the special tool, but they wanted hundreds for each. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. if you can direct me in the right path I will really appreciated . 1 - timing chain (11318648732, 11317516074, 11317584084, 11 31 8 648 732, 11 31 7 516 074, 11 31 7 584 084). Stop and starting the car there is no difference. It is responsible for actuating an eccentric shaft that adjusts intake valve lift. Sorry if this is an unrelated topic to the thread, but I need to replace the high pressure fuel pump on my N20. N26 engine with 85000 miles. Sorry there are no replacement bolts for the N20 vanes unit that I know of,,,,,yes they are aluminum,,,the N20 and N26 vanes unit are not common to break not like the older one on N51 and N52, No, no My rule if its not broken dont fix it,,,,dont take the solenoids apart ok,,,,the turbo boost fault was related to the vanos faults. 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. Typically, the ECM has not detected the desired response to a few electronic commands to the VVT and a code has been set. Enter the Chassis Number, This is due to a diagnostic programming error in the DME. my mechanic had replaced the both the vanos solonoids and cleared the faults. But that is all. 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. Changed the exhaust VANOS. Please advice. It is a total mystery (to me) as to why it works now. 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. Hello I have a 2013 328i xdrive(72k) that I just had the timing chain, guides etc. The VANOS function test showed that both VANOS units were working. Tried test with ista for vanos solenoid test removed solenoid stiff does not move when activated. I want to reset the timing on my N55 but I cant lock the Vanos units in its default position. 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. Best Modern BMW Engine: B58. Went well and all seemed good. General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio, https://www.e90post.com/forums/showtight=whistling, https://www.homedepot.com/p/Husky-3-ST45/202913550, https://www.ecstuning.com/b-genuine-t/83302333891/, https://static.nhtsa.gov/odi/rcl/2014V176-2716.pdf, https://www.homedepot.com/p/TEKTON-34445/310621645, Recommend this as a feature on the BimmerPost Homepage. F020-13-07-506 for the F3x Risking my good fortune I had to run the VANOS function test again. Thats very sad,,,,I wonder why only certain countries have coverage and some dont. They don't have a BT cable but hook up an OBDII scanner and there is a 3100 limp mode code, P0305, P0302, P0300 and P052B, P054B . https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158 1/6/2014 The engine start ok. no misfiring. The average cost for BMW 740iL Timing Chain Replacement is $3166. If found defective, replace the sensor, reset the codes, and test drive the vehicle. 120408 Intermittent Charging pressure control: switch-off as consequence What is your opinion about the above? Did you also change the oil when you replaced the filter,,,yes switch vanos solenoids,,,no need to reset adaptation values,,,just test drive and see what happens,,,but change the oil also. My trusted mechanic also listened to the engine and said it sounded quieter than other N20/N26 timing chains that he fixed. P054B - Cold start B Camshaft position timing over-retarded bank 1. Join Date: Dec 2019 . Not sure if he meant evap leak. Or maybe I dont understand lawyer-speak. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. 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. hi, I dont know if failing VANOS system should give any data to computer and should show somekind bad data or shouldnt show anything. 2D5A VANOS, intake, control fault, camshaft jammed Intake Camshaft: Installation faulty. But not sure if the spring is strong enough by itself to keep the chain taut without oil pressure. Page 3 of 4 labor operation. This is an aftermarket ignition coil for the Husqvarna 268 chainsaw. N20 vanos unit broken. I know I might be looking at replacing Vanos Actuator, central valve or the whole vanos unit. It starts and runs smooth, but It has DRIVETRAIN MALFUNCTION and CEL codes- p052b p054b p1338 p1339 p013cc. Ok you have a couple of things going on here,,,,that fault code just ignore,,,that fault code is a bogus fault some kind of software bug,,,,,ok you start stop function not working I dont know without looking at the car,,,,now the car shutting off while driving sound like the fuel pump and the fuel pump relay EKPS module is going bad,,,,I would have those checked out next time. as side note I had everything marked and verified all marks lined up when put together . Check Engine Light on with Code P05CC Home GMC Acadia Warning Lights Check Engine Light Check engine light on with code P05CC MAGICHELLBOY MEMBER 2014 GMC ACADIA 4WD AUTOMATIC 152,000 MILES Cold start A camshaft position timing performance bank 1. The intake cam had the following desired/actual degrees: 0/-8, -20/-20, -10.4/-10, -20/-20 and -10.4/-10. Your email address will not be published. Looks all good. No one knows what this CDA904 code means. Emissions Warranty coverage that applies. - Defect in wiring harness to VANOS solenoid valve. Opened oil pan and checked pick up screen. Covered under the terms of the BMW New Car/SAV Limited Warranty or the BMW Certified Pre- your input is much apreciated, There a BMW sib 12 15 13 which says this problem is due to a software issue with the DME ,,,,you need to program the vehicle,,,,you can see the bulletin on the Internet. The VANOS system works the hardest at idle as I understand. Andrea, I just found your blog looking for answers for my used/ new to me 2013 328i with N20 engine. They are the photos: - VANOS solenoid valve seized. If you replace one does it need pluging into for a valvetronic re-learn update or is it just a like for like mechanical replacement including the relating fuel lines? Hello BMW Technician, I have a 2011 BMW 535i with N55 engine. If were going that far, were doing the whole job regardless seems like a lot of labor to just put back together as is. PROCEDURE Never took it in shop I just started to DIY all my issues. Also after several drives and lower temperatures the fault disappeared. Preventative maintenance suggestions? Then I came up to a stop sign and the car stalled. Hi, This is a great site!! Given the fact that "cold start" is in the description of the code, you should probably take a look at your cold start injector. I really appreciate if you can have an input on it. With the engine running the function test for the exhaust and intake VANOS passes. It's always a good idea to refer to your specific model's service information first. Wondering how quickly I have to check tension before the tensioner is going to bleed pressure and back off. Hi, thank you for the reply. Note: The "A" camshaft is either the intake, left, or front camshaft. There were no faults. Reprogram the vehicle ISTA/P 2.50.4 or higher. Maybe the function test is different with cold start faults present. Technical Service This situation can occur as a customer complaint, or after performing For information on programming and coding with ISTA/P, refer to X1. due to a low oil pressure and chain noise.now iam having inlet and outlet vanos dtc . Reset codes and adaptations without increment wheel. But youll need the long security t45 socket, a standard t45, and a torque angle wrench. 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.. 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. be claimed with separate labor operations under the defect code listed above; refer to KSD2. You referenced this TSB in your comment to Ronnie back in 2017. E84 I am not sure if it was the wrong filter. What would happen if I resent the adaptations with increment wheel/. Reading the lawsuit docs, it describes the tensioner as having been redesigned with a stronger internal spring. 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. 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. 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. Posts. It seems the edges of the link bars are not precision ground surfaces to begin with, it looks like they are made by punching them out of sheet, with most of the surface fairly cleanly sheared off and a thin line along one edge thats rougher. Coul it be timming change or leak some where? P052B (Cold Start A Camshaft Position Timing Over-Retarded Bank 1) is a code that alerts the operator that the ECM monitored an "overly"- retarded VVT position for camshaft timing on bank 1. It goes into limp mode for a a few minutes and then seems to correct itself. 2A7C DME: Vanos, inlet, cold start. Click on the BTW what can you tell me about the chain stretch check procedure? Thank You very much for your help. The old oil filter was stuck onto the basket. Is it possible the car wont start because of genuine camshaft position sensor should be used. For reasons I dont understand the faults are cleared. 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. So I went to a local specialty shop. Changed the oil filter and OIL. What codes would come up when the timing chain fails? I've done the timing chain on my N20 along with the oil pump and I made sure to time them all correctly. 131908-VANOS inlet: cold start, Position not reached.