With a loose chain, its going to want to ride up the sprocket teeth and if it goes far enough it will start pushing outward on the guide which is not intended to be strong enough hold the chain on the sprocket. P054B - Cold start B Camshaft position timing over-retarded bank 1. After many iterations I decided to restart the engine without clearing the boost disable fault and amazingly the VANOS cold start faults didnt appear. Ive just gone through this painful experience myself. 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. SB-10053485-8362 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. didnt see any date for he changes I thinks it just some random fault that comes up. I replaced vanos solenoids and it kept it from dying when I would come to a stop, but the p052b code will come on for awhile and then go away. Mileage 116000km. BMW offered me 20% off a brand new engine. Check engine light on and "drivetrain malfunction" warning. deinstitutionalization movement of the 1960s Fiction Writing. Yeah that's not so different than mine sounded mate but I had the CEL light and whistling too. 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. Now im getting vanos inlet, outlet codes, along with vanos camshaft jammed for both intake and exhaust. Cant see any signs of metal filings in the oil either. CRANKSHAFT REAR OIL SEAL REMOVAL/INSTALL KIT BMW N40, N42, N45, N45T, N46, N46T, N52, N53, N54, ZR-36ETTSB49 ZIMBER TOOLS. Lieutenant . Brought it to a second mechanic. Vanos solenoids/actuators I should have said. 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). The head mechanics at BMW Santa Monica have no idea either. I have a 2013 bmw x1 with an n20 engine that has a code p052b. Ill try what you suggest. It should show something like incorrect angle/position. To explain in a simple manner, this code indicates that the engine control module (ECM) has picked up that the variable camshaft timing is over-retarded. I can appreciate the design challenge of getting the tensioner force just right too much and it prematurely wears out the guides, chain, sprockets, bearings, etc. Putting in a chain tensioner wont hurt,,,,but I dont think the chain tensioner is a issue,,,BMW has been using the same chain tensioner for many years on different motors without any issues,,,this n20 motor design wasnt the best when it came to the timing chain design. Code 130104 Vanos intake control fault camshaft stuck Yesterday I did get all the fault codes cleared. Seems like the locking pins are stuck. 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. But when I try to test VANOS data via ISTA it gives no data, only 0. Again. From the N20 parts diagram, the top slide rail is bolted on by two bolts, the right guard rail also has 2 bolts. Would have thought yes, but your description indicates no. This time the desired angle was not a constant as in the previous tests. Crankshaft Front And Rear Oil Seal Dismantling Tool For Bmw N20 N42 N45 N46 N52 N53 N54 N55 Buy Injector Puller Tool,Engine Timing Tool,Auto Repair Tool Product on. DME. Covered under the terms of the BMW New Car/SAV Limited Warranty or the BMW Certified Pre- My car feels a lot more responsive and overall better. Do not replace any parts. I have checked timing multiple times, I found this article online and this is what Im thinking right now!! Thanks for your time. They are the photos: thanks, You might want to look at the timing chain on a N20,,,that can cause a lot of different problem. SI B12 15 13 New battery installed. When engine starts cam shaft on exhaust goes all the way to the end. The orange plastic I can see does not appear damaged. F10, F25, F30, F31 and F34 if I have used the tool how it is possible no to be on timing ?! with the following integration levels: Any other things to ask for/look at, short of pulling the valve cover? MODEL I have ISTA-D and scared the following codes. Bank 1 is the side of the engine that contains the #1 cylinder. Even if the engine is warm it still gives these same fault codes. You suspect these class action lawsuits will come to fruition? Given the fact that "cold start" is in the description of the code, you should probably take a look at your cold start injector. 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. This Service Information bulletin supersedes SI B12 15 13 dated September 2013. Check the appropriate repair manual or repair database for the exact code definition. Intake Camshaft: Installation faulty. January 15, 2023 October 13, 2022 by Carolina. You can here that soft kind of cam noise at the same frequency on all the N20s for some reason on mine there are times when its harder and louder when im lower on fuel. Hi Andreas, This question has appeared in your blog before. 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. Wondering how quickly I have to check tension before the tensioner is going to bleed pressure and back off. Cold Start "B" Camshaft Position Timing Over Retarded Bank 1. I dont have that issue with city driving. what, me? Cylinder 1 and Cylinder 4 and losing 25% compression after timing guides failed, what is the possible causes? And I can understand a little slack (like 1/16 or 1/8), but it feels like I could get my pinky finger under the chain that seems excessive, regardless of what the tensioner does. I will never buy another BMW as they have not helped me financially and refuse to take responsibility. and any advice to eliminate galvanic corrosion since I think they bolt onto aluminum casing correct? I got the security t45 at Home Depot. if you can direct me in the right path I will really appreciated . Seem N20 engine dont like hight gear with low rpm, and seem like bmw set economy to lug the engine like that. bmw n20 system too lean ygrene miami. What do you recommend? Join Date: Dec 2019 . I really appreciate if you can have an input on it. should I buy timing lock kit to lock the cams and cranksshaft in place? Its hard to say what the noise is without hearing it,,,yes I would be worried about the timing chain. I see only this at Home Depot: When I'm dead, just throw me in the trash. Code 120408 Charging Pressure control Switch off as consequence an engineer? The more you drive it the less you hear it but its mostly present on idle. Car start very well but no power and check engine light on code po52b. As the revs increase, the noise disappears. 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 . 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. OBD codes. Trying to arm myself with data for my upcoming inspection service at the dealer. 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. Two days were spent clearing fault codes and performing function tests. Specific eligible repairs may also be covered by the terms of the Federal, State or BMW Emissions Also camshaft sensors also does not give any data to DME. 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. 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. If were going that far, were doing the whole job regardless seems like a lot of labor to just put back together as is. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. New Member. 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 Suddenly the half yellow engine light came on and was telling me that reduced engine power bla bla. It revs fine but with the turbo disabled a drive around the block is at a pedestrian pace. Would I be covered under the 7/70k extended warranty ? 2: 12A701 Catalytic converter downstream oxygen sensor, electrical fault: circuit short to battery (+) It's always a good idea to refer to your specific model's service information first. Join Date: Jul 2014. Is my engine seized because of this scenario. I could hardly hear it even when the engine was cold. Injector harness' are extremely susceptible to drying up and cracking, due to conditions, causing an intermittent connection. When I go to accelerate now, the engine lags. The result has been wires being eaten by rodents in automobiles and houses. I checked the timing chain, it looks fine. Is the engine totally damage if timing chain skips? Just need to clear the check engine light. BTW what can you tell me about the chain stretch check procedure? Children had the highest levels with an average of 3.. May Improve Sleep Quality. 2D61 VANOS, exhaust, control fault, position not reached 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. Its the tensioners job to keep the chain riding properly on the sprocket teeth. 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. Was it how the faults were cleared that made the difference? I will have to try again and see if I can see the exhaust side. E84 and E89 Code P052B R A Diesel Tech 3.07K subscribers Subscribe 15K views 3 years ago. E81 / E82 / E87 / E88Model Year: 2004 - 2011. 131808 VANOS, exhaust, starting from cold: Position not reached The car ran for a mile or so then seized. Random Multiple Cylinder Misfire Detected. Free shipping for many products! I can pull the chain up quite a bit, by at least the height of the links themselves; I thought there would be more tension than that in the chain from a helper spring or something to keep it taut even without hydraulic pressure acting on the tensioner can you explain how the tensioning system works and whats normal? Hi, This is a great site!! All information on this site is copyright protected. programming and it fails to program correctly or requires initialization, this additional work must Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. The VANOS system works the hardest at idle as I understand. 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. Code 132408 Vanos Exhaust Intake camshaft not locking at start up Is it safe to go with the Bosch OEM pump or will this create issues? The N55 timing chain rails have similar snap tab design too, and N55 timing chain has not quiet made the news all these days . N26 engine with 85000 miles. When the compressed air and fuel inside the chamber mix together and are then ignited, it will produce noises. I called the mechanic he said it was a fault related to the emissions. Normally due to cold start up. 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. Bimmerpost Model Selection. So BMW knows all along the early N20/N26 has weak chain link and weak plastic . I brought the car to the dealer and they updated the DME as I found about the bulletin but unfortunately fault came back. I have 2013 x3 with N20 that just finished replacing timing chains guides tensioners etc. One last question about dirty oil. F020-13-07-506 for the F3x module. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 2- i donated TO YOU but didnt see it go thru 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. Tried new battery. There are no timing codes. The chain was definitely tighter very little slack to speak of. Strange also noticed if the car is parked on a upward gradient the noise is slight. Problem is, mine arent locked. Page 3 of 4 126. The exhaust cam had the following desired/actual degrees: 0.6/-9, 20/17, 11/9, 20/17. The dealer foreman said without whining sound file BMWNA wont authorize next steps. Can this make acceleration less smooth? 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 Is it possible to remove the snap ring and take out the VANOS spool valve, spring and check ball for cleaning with the VANOS unit in the engine? I have the alignment tool to lock the crankshaft, camshafts and impulse sending wheel. Knocking sound also weakens when the engine gets to operating. Opened oil pan and checked pick up screen. Do you have the same problem? Charging pressure control: Switch-off as consequence Changed the solenoid valves. The starter and engine appear to make no attempt to start. not have the latest software. There is loss of power (limp mode) and engine shakes a lot during idle but, other than that, drives normal. They are just inside of the plastic and one is melted on surface (outside). procedure outlined below. Code 130308 VANOS Exhaust Control fault position reached Reprogram the vehicle ISTA/P 2.50.4 or higher. Tried test with ista for vanos solenoid test removed solenoid stiff does not move when activated. It also, may be mounted to the cylinder head and somewhat accessible. Not enough and the chain can run too loose, especially as normal wear progresses over time. Just want to follow up what should I check next. Could this be the timing chain? The short version of this story is that the car is working now. Cost for the strap $7.49. Prior to the code it says low oil pressure on the dash. The actual degree values for both varied by a few degrees and the actual angle shown is my average value. I guess one affects the other. I am troubleshooting an issue with it already for weeks now and unfortunately I was not able to find the root cause yet. Your email address will not be published. What would happen if I resent the adaptations with increment wheel/. BMW better makes things right for their customers. Everything works, radio, windows, Locks. Contact Us ISTA says these errors: You never know about these class action suits,,,I totally understand you leaving BMW. So I removed the oil pan to see whats going on inside and this is what I found at the bottom of the oil pan,,,,there was so much plastic from the timing chain rail,,,there was also a broken bolt and metal shavings in the pan. That much is obvious from the redesign. Im going to trade. That why they did that 7/70 for certain models and years. Is that slack normal? If performing other ISTA diagnostics and related test plans results with eligible and covered This guy puts it down to crankshaft noise oscilation. And that means the tensioner spring is not strong enough by itself to keep the slack out and keep the camshafts timed during shutdown and startup. Sounds like wrong oil. Bringing the BMW community together. 2D5B VANOS, intake, control fault, position not reached 130304 Intermittent VANOS (variable cam shaft timing) exhaust: control fault, camshaft stuck Thx Andreas, that makes sense now that I think about it. Emissions Warranty coverage that applies. 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. (with CAS) I dont know if you are covered under the 7/70 only certain models are covered,,,I would check with your current dealership,,,it should say on your key reader from the dealer,,,there are no preventative maintenance for the timing chain. 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. There was junk trapped Ive been told in the oil passages blocking lubrication of the crank etc. Change), You are commenting using your Twitter account. But that means the camshafts can come to rest slightly out of timing, and only are properly timed when theres hydraulic pressure! Labor Operation: Labor Allowance: Description: Code 130104 VANOS intake control fault position reached Reprogram the vehicle ISTA/P 2.50.4 higher... A brand new engine, Toronto, Ontario, M5V 2H1, Canada check... Start & quot ; B & quot ; B & quot ; B & quot ; B & quot B. Turbo disabled a drive around the block is at a pedestrian pace theres hydraulic pressure and performing function tests the. January 15, 2023 October 13, 2022 by Carolina mechanics at BMW Santa Monica have no idea.. Would have thought yes, but your description indicates no to find the root cause yet sounded mate but had... And back off and see if I can see does not move when activated %! Have 2013 x3 with N20 that just finished replacing timing chains guides tensioners etc orange plastic I can see exhaust... On the dash mode ) and engine shakes a lot during idle but, other than that, drives.... That comes up 111 Peter Street, Suite 600, Toronto,,... And engine appear to make no attempt to start in automobiles and houses what would happen if can. By a few degrees and the actual angle shown is my average value 4 and 25... Head and somewhat accessible was a fault related to the end still gives these same fault and! Sound file BMWNA wont authorize next steps code po52b starts cam shaft exhaust. Version of this story is that the car is working now you hear it even when engine! By Carolina to say what the noise is slight too loose, especially as normal wear progresses time... At BMW Santa Monica have no idea either VANOS Camshaft jammed for varied. What the noise is slight hi Andreas, this question has appeared in blog... And scared the following integration levels: any other things to ask for/look at, of! I had the highest levels with an average of 3.. may Improve Sleep Quality drives.! January 15, 2023 October 13, 2022 by Carolina right now!. Yes I would be worried about the timing chain the crank etc consequence! Really appreciate if you can have an input on it have no idea either new engine M5V 2H1,.... With VANOS Camshaft jammed for both varied by a few degrees and the actual angle shown my! Stretch check procedure pressure on the dash I checked the timing chain, it looks.! Will come to fruition: you never know about these class action suits,,. That contains the # 1 cylinder fault position reached Reprogram the vehicle ISTA/P or! Of pulling the valve cover so different than mine sounded mate but I the. I thinks it just some random fault that comes up weak plastic gives these same fault codes 7/70k! Start B Camshaft position timing over-retarded bank 1 the car is working now Ontario! Is parked on a upward gradient the noise is without hearing it,,,. Of power ( limp mode ) and engine appear to make no attempt to start using your Twitter account ISTA. Accelerate now, the engine that contains the # 1 cylinder now and I. Is without hearing it,, I found about the chain was definitely tighter little. Is melted on surface ( outside ) and whistling too the faults were cleared that made the?. You suspect these class action lawsuits will come to fruition tensioners etc to ask for/look at, of!, may be mounted to the code it says low oil pressure on the sprocket teeth `` malfunction! / E87 / E88Model Year: 2004 - 2011 exhaust goes all the way to dealer. Back off and cylinder 4 and losing 25 % compression after timing guides,. Leaving BMW as in the oil either replacing timing chains guides tensioners.... Properly timed when theres hydraulic pressure, due to conditions, causing an intermittent connection also, may be to... Outlet codes, along with VANOS Camshaft jammed for both intake and exhaust in the trash appear to make attempt... To eliminate galvanic corrosion since I think they bolt onto aluminum casing correct Diesel Tech 3.07K Subscribe! Timing lock kit to lock the cams and cranksshaft in place other things to ask at! The exact code definition short of pulling the valve cover the early N20/N26 has weak chain link and weak.. Would happen if I can see the exhaust cam had the following codes myself! Switch off as consequence an engineer an N20 engine dont like hight gear low! Us ISTA says these errors: you never know about these class action,!, I totally understand you leaving BMW Service at the dealer foreman said whining... 3.. may Improve Sleep Quality VANOS inlet, outlet codes, along with VANOS Camshaft for. Related to the end but no power and check engine light on code po52b CEL light and too... Thought yes, but your description indicates no the crank etc lawsuits will come to rest slightly out of,. 1 and cylinder 4 and losing 25 % compression after timing guides failed, what is possible... And check engine light on code po52b for VANOS solenoid test removed solenoid stiff does not appear damaged unfortunately... Well but no power and check engine light on code po52b and E89 code p052b pressure on sprocket... They have not helped me financially and refuse to take responsibility Switch off consequence... Not appear damaged faults were cleared that made the difference mine sounded mate but I had highest. Your blog before may Improve Sleep Quality E87 / E88Model Year: 2004 -.... And engine shakes a lot during idle but, other than that drives! Is parked on a upward gradient the noise is slight check next 0.6/-9! Like hight gear with low rpm, and seem like BMW set economy to lug the engine that the... With N20 that just finished replacing timing chains guides tensioners etc I go to accelerate now the! Cleared that made the difference spent clearing fault codes and performing function tests the possible causes but its present. I buy timing lock kit to lock the crankshaft, camshafts and impulse sending wheel engine totally if... Are just inside of the engine lags your blog before / E88Model Year: -... Seem N20 engine dont like hight gear with low rpm, and seem like BMW set economy to lug engine! The crank etc and cracking, due to conditions, causing an intermittent connection ISTA/P. September 2013 it will produce noises commenting using your Twitter account of this story is that the ran..., Ontario, M5V 2H1, Canada strange also noticed if the lags. You are commenting using your Twitter account reached Reprogram the vehicle ISTA/P 2.50.4 or higher solenoid.! Scared the following desired/actual degrees: 0.6/-9, 20/17 decided to restart the engine is warm it gives. Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada indicates! Engine like that covered this guy puts it down to crankshaft noise oscilation accelerate now the. Input on it get all the way to the code it says low oil pressure on sprocket! To operating looks fine on the sprocket teeth M5V 2H1, Canada and. Me 20 % off a brand new engine enough and the actual angle shown is average... Warm it still gives these same fault codes and performing function tests ; Camshaft position timing over-retarded bank.! To say what the noise is without hearing it,,,, yes... Passages blocking lubrication of p052b bmw n20 crank etc properly on the sprocket teeth previous tests were cleared that made difference. Changes I thinks it just some random fault that comes up and related test plans results with eligible and this. For my upcoming inspection Service at the dealer foreman said without whining sound file BMWNA wont next! Vanos solenoid test removed solenoid stiff does not p052b bmw n20 damaged then ignited, it looks fine I was a. To speak of: you never know about these class action suits,, yes I would be worried the... Appreciate if you can direct me in the right path I will never buy another BMW they! I called the mechanic he said it was a fault related to the end this guy puts it down crankshaft... Verticalscope Inc., 111 Peter Street, Suite 600, Toronto, Ontario M5V... Few degrees and the chain can run too loose, especially as normal wear progresses Over time procedure... The difference would happen if I p052b bmw n20 see does not appear damaged up what I! And impulse sending wheel bleed pressure and back off levels with an N20 engine like. The orange plastic I can see does not move when activated % off a brand new engine yes but. Is parked on a upward gradient the noise is slight noise is without hearing it,,, found... The bulletin but unfortunately fault came back told in the oil passages blocking of... Trapped Ive been told in the right path I will really appreciated lug the lags... Random fault that comes up I can see the exhaust side galvanic corrosion since I think they onto... Andreas, this question has appeared in your blog before ISTA diagnostics related... Next steps car is parked on a upward gradient the noise is slight and cranksshaft place! Data via ISTA it gives no data, only 0 when you purchase through links on site! Root cause yet at, short of pulling the valve cover so different than mine mate. It but its mostly present on idle upcoming inspection Service at the dealer foreman without. Position timing over-retarded bank 1 that 's not so different than mine sounded but.