2D56 VANOS, exhaust, starting from cold: Position not reached There's other N20 variants but let's just talk about the EXACT same motor so people can't nitpick. Then I came up to a stop sign and the car stalled. It could be,,,they do make a knocking noise normally. Or the failure started at the two snap-on tabs that connect top slide rail to the right-side guard rail? Drives: BMW F10 F15 E39 E90 E53. They are the photos: Yes its possible the timing has jumped and thats why it wont start,,,now is your engine damage its hard to say without finding out what exactly is wrong with it. Could this be? The failure of this VVT self-test stems from the exceeded minimum calibration of the camshaft timing or it remains in an retarded position. I have told the SAs and foremen to check timing chain in the past dealer oil changes, they just informally listened and looked, and said all was good. with the following integration levels: - Oil pressure too low. As the revs increase, the noise disappears. A dealer foreman listened to my N26(almost 7 years and 60k+ miles) and said there was no whine. Also after cold start also misfire error pops up. Warranty. Quote 02-16-2020, 04:43 PM #2: Trainwreck914. F25 130104 VANOS, intake, control fault, camshaft jammed Code P052B BMW Description To assist with cold start conditions the camshaft timing can be adjusted to allow for optimum starting conditions. JavaScript is disabled. 3: 130304 VANOS (Variable camshaft timing) exhaust: control fault, camshaft stuck Change). 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. E89X-13 -11-505 for the E84 and E89 Limped home of course. December 2013 F10 Andreas first and foremost thank you for sharing your knowledge. Error Code P052B takes place when the PCM has monitored an "overly" - retarded VVT position for camshaft timing on bank 1. Or turbo charger, Do you guys fix the issue ?! Ive change engine mount, spark plug, coil but problem is the same. Typically, this happens due to cold startup. Rep. 452. 2012-2015 BMW 3-Series and 4-Series Forum. E84 and E89 Kies was able to get a new engine and turbo from BMW dealer using the SULEV warranty. E84 Yes it should,,,,but sometimes some random faults might still be their, The service engine light has not cleared. Could this be the timing chain? E81 / E82 / E87 / E88Model Year: 2004 - 2011. 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. Codes immediately reset after clearing with scan tool. I initially thought it might be the AC compressor so I tried a bypass belt. and cam shaft are not in alignment any more. It possible a software issue,,,we have seen that before. The car ran for a mile or so then seized. 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. Enter the Chassis Number, CAUSE You referenced this TSB in your comment to Ronnie back in 2017. 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 . 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. Random Multiple Cylinder Misfire Detected. The improved DME software was introduced I had to replace the valve lifters. I will gather tools and bolts and then have to resign myself to pulling the VC. Ive got exactly the same issue with mine, yet to be found by several mechanics, Im unsure what it is. Ok heres another vanos unit off a 2011 328 N51 engine,,,,this is the intake vanos unit that is now in several pieces,,,,the customer was just driving on the highway when the engine just lost power. Recently purchased 2104 BMW X1 28i x drive. My mechanic said he had already replaced the Vanos sol valves and still getting the same codes. The short version of this story is that the car is working now. I think it probably went into auto stop/start at the light prior to the limp mode event. The I-level is newer than the I-level specified in SI B12 15 13. But that is all. 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. SB-10053485-8362 61 00 730 Refer to KSD2 Programming/encoding control unit(s) 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. 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 https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/158 1/6/2014 I bought a cheap borescope to see if I could inspect the bolts through the oil filler and indeed you can. :dunno:. Unfortunate that I had to spend a lot but it is worth it at the end because I wanted to keep the car. 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? There not much to tell you about chain stretch,,,,I think a lot has to do with the timing chain rail getting worn out or start to come apart and then the chain starts to loose tension because of the rails coming apart,,,then when we have a loose chain then we have timing issue. It should show something like incorrect angle/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. I have checked timing multiple times, I found this article online and this is what Im thinking right now!! Checked the Camshaft Journal Caps. Other Repairs Labor Operation: Labor Allowance: Description: Here is a video of whats happening today. This Diagnostic Trouble Code (DTC) will set when the Engine Control Module ( ECM) is unable to control the actuator correctly. Please note the displayed battery voltage reading in the repair order comments section. Please advice. If its level then its likely to be a bit louder. Does this also apply to my 2012 E91? All information on this site is copyright protected. $99. Thank you. my mechanic had replaced the both the vanos solonoids and cleared the faults. 61 21 528 Refer to KSD2 Charging battery NOTE: This information is presented for information purposes only. Location . DME. He did suggest to authorize diagnostics($200) so that the shop can dump car data to BMW headquarter to further evaluate. VANOS bolts. Emissions Warranty coverage that applies. My car feels a lot more responsive and overall better. No one knows what this CDA904 code means. What do you recommend? F10, F25, F30, F31 and F34 Its not that difficult of a job. an engineer? Wasnt there a re-call on these? Drain your oil, replace filter and re-fill with original BMW 5W30 or 0W30. Does the noise go away when you depress the clutch pedal,,,,because that would put pressure on the flywheel. However, more likely, this code indicates an issue with the N54's HPFP or LPFP. Thanks. X1. I am thinking switching vanos solenoids and see result. No turnover on start at all. F34 Perform a vehicle test. Maybe I should replace them? The boost disable fault was cleared and the engine restarted. Is it possible at this mileage? F020-13-07-506 for the F3x I want to reset the timing on my N55 but I cant lock the Vanos units in its default position. . Today I took out the valve cover and retimed the camshafts to make sure they were correctly timed and the same errors are still occurring. 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. Most of the failures I have seen start with the two snap tabs for the timing chain rail breaks. Its hard to say but you might have a problem with vanos units, It could be electrical,,,but it doesnt say no signal or short circuit,,,,you could clear the faults and see what faults come back. Just want to follow up what should I check next. 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. So I strongly suspect a poor tensioner design is the root cause, and other weak links hasten the system to failure. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. But not sure if the spring is strong enough by itself to keep the chain taut without oil pressure. . I have a N20 2012 528i. I replaced botttboth sensors but the car still wont start. We do not have any 7/70 come back at all. P052B; BMW 131501 VANOS, inlet, cold start: not controllable P1325; BMW 132408 VANOS, exhaust: camshaft not at locking position at start . 2D5A VANOS, intake, control fault, camshaft jammed I was thinking play in the flywheel. procedure outlined below. . The exhaust cam had the following desired/actual degrees: 0.6/-9, 20/17, 11/9, 20/17. Having said that, it would be a good idea to test the camshaft.cuum leaks immediatelly as they can produce more issues down the road if left unattended. I have an 2010 E91 and this whole VANOS bolt thing makes me very nervous. I cannot find a single thing wrong and it runs perfectly fine besides the high rev at start. 120408 Intermittent Charging pressure control: switch-off as consequence Note that ISTA/P will automatically reprogram and code all programmable control modules that do The sensor itself may potentially be going bad. I just ran into this exact problem. Check recommended oil sticker located under your hood. Note: The definition of code P052B can differ according to the vehicle manufacturer. 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. Clutch seems fine no vibration or variation in noise with clutch engaged or disengaged . Cant see any signs of metal filings in the oil either. Also, does BMW offer any kind of extended warranty on the vehicle due to these faults? Still $17,000 for an x1 thatvisnt even worth that. Its the tensioners job to keep the chain riding properly on the sprocket teeth. I appreciate any input. Rep. 8. Thats crazy in price difference,,,,you should be fine with the Bosch pump. Is this true? Anyways I spend 20 hours replacing the chain. This Diagnostic Trouble Code (DTC) will set when the Engine Control Module ( ECM) is unable to control the actuator correctly. I checked the chain from the oil filler cap and was able to move the chain side to side on the chain guide about 3-4mm it doesnt seem overly loose. Got quoted 3.2k cad$ by a mechanic to get it fixed. 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. The oil filter element appears to collapsed / sucked in at the center. Is there a or way trick to clear the code without seeing a mechanic or using a code reader?ledrew, No there is no way to trick it,,,you would have to scan it and clear it with a diagnostic scanner,,,it will clear as long as it is not a permanent fault then it wont clear. Covered under the terms of the BMW New Car/SAV Limited Warranty or the BMW Certified Pre- Posts. Depending on what type of camshaft position sensor you have (e.g. But it sounds just like that kind of ping. if you can direct me in the right path I will really appreciated . (2011 328xi P052b) I was driving down the highway and got a check engine light. Thanks. Defect Code: 11 36 01 96 00 The cold chain + slide rail has a slight play, maybe 1-2mm. To determine if any applicable Federal, State or BMW Emissions Warranty coverage applies prior with the following integration levels: I do notice a bit of power loss while casual driving but nothing crazy. designates changes to this revision 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. Also can sparkplugs have any influence to this situation? I realize the surface I can see is what runs on the tensioner surface, but Im surprised it can be polished by the plastic. 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. Lieutenant . Usually the Vanos units lock in its default position when engine is turned off. Reading the lawsuit docs, it describes the tensioner as having been redesigned with a stronger internal spring. 00 00 006 Refer to KSD2 Performing vehicle test (with vehicle Im a little concerned about an underlying knocking. (LogOut/ To assist with cold start conditions the camshaft timing can be adjusted to allow for optimum starting conditions. Thats very sad,,,,I wonder why only certain countries have coverage and some dont. Hi, I have N20 with rough idle. Also camshaft sensors also does not give any data to DME. 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. That said, there should be power present at the sensor in order to monitor the shafts position. Or maybe I dont understand lawyer-speak. . When the fuel tank is full it seems to dissapear. 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. 131908 VANOS, intake, starting from cold: Position not reached labor operation. Make sure that you check for any Technical Service Bulletins that could provide possible solutions for any problems since most vehicles have upgradeable software in their ECMs. She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for . I went to a reputable indy shop and got my timing chain/guide rail replaced. Ill check my gas cap but I need to clear this code. due to a low oil pressure and chain noise.now iam having inlet and outlet vanos dtc . Click on the The only odd result is that the desired angles of 0 and 0.6 had actual angles that were off by ~8 degrees. Normally due to cold start up. Neither the VANOS units nor the solenoids have been replaced. 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. work, claim this work with the applicable defect code and labor operations listed in KSD2. Yes under load it would get a bit quieter. P0300. I did an oil change because the red indicator light came up with a p052b code which is the camshaft position sensor. 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. I will never buy another BMW as they have not helped me financially and refuse to take responsibility. 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. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. 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. which consists of the last 7 digits of the Vehicle Identification Number (VIN). I manually crank engine over few time but after start it always goes retarded on exhaust cam shaft. The chain was definitely tighter very little slack to speak of. Its hard to say what the noise is without hearing it,,,yes I would be worried about the timing chain. 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. Is one fault causing the other? Hello I have a 2013 328i xdrive(72k) that I just had the timing chain, guides etc. Replace the solenoid that the code followed. Ok Ill do that. It can also be installed in the BMW N20, S55, N63, N63TU, B38, B48, B58, S63, and S63TU engines and fits on some MINI, Peugeot and Citroen models. 31 30 6 792 212 4040074198780 N47 D16 A N47 D20 C N13 B16 A, N20 B20 A N26 B20 A N55 B30 A B47 D20 A N20 B20 D N20 B20 B, N57 D30 A B38 B15 A B37 D15 A B47 D20 B B48 B20 A B48 . 2D54 VANOS, exhaust, starting from cold: Non-adjustable Control unit codes. Ok the charge boost pressure fault is related to the vanos faults,,,,the vanos faults could be a couple of things but since you just replaced the timing chain maybe the timing is not correct on the intake vanos unit? Big job. thanks for the input. reference point is the same? I was hopeful that the Gelis settlement would include some consideration for owners of affected vehicles to proactively upgrade at reduced cost, but last weeks final settlement statement doesnt read like that. The chain guides in the video are white plastic. Your email address will not be published. Any help would be appreciated I dont believe it has a one way valve,,,it does have a o-ring inside. Hey guys, I'm really hoping a tech could help me out here. Opened oil pan and checked pick up screen. 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. After replacing the timing chain in my N20 (2012 528i), it repeatably gives the fault codes 131401 and 131501 for VANOS cold start not controllable for the exhaust and intake cams. repairs to the engine valve train assembly. Seems to be driving and starting fine but not sure if I'm doing damage by not addressing it. With the VANOS solenoids removed, the spring loaded VANOS spool valve moved in and out easily. I live for failure analyses, just not on my own car engine! (not including CAS) Cold Start "A" Camshaft Position Timing Over Retarded Bank 1. When the VANOS solenoids were removed for testing I checked the marks I made on the VANOS impulse wheels and on the harmonic balancer and they looked perfect. Code 120408 Charging Pressure control Switch off as consequence Could anyone possibly lead me into the right direction? This is why professional technicians will follow some sort of flow chart when inspecting a trouble code to prevent a misdiagnosis. Thx Andreas, that makes sense now that I think about it. 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? This is due to a diagnostic programming error in the DME. 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 Your email address will not be published. I tried to reset vanos with no success. N54 29E2 (10722) Fault Code Fault 29E2 points to the fuel injection rail pressure sensor signal. unfortunately info on this N20 is almost none exist at best. 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. So I thing exhaust vanos is not working, or not working correctlycan I get in touch with you? The last oil change was two years ago but only 2200 miles were driven. 67k. The Fora platform includes forum software by XenForo. F10, F25, F30, F31 and F34: Thanks for any input. Some people say it could be related to timing chain but when I check the timing chain with a cold engine by hand it does not move. I actually think thats causing the noise.