Thank you for the help and expertise you've provided to the BMW community! I'm the guy with bmw 335i n54 I still have problem and I check the car with another software and comes up the code:: engine motor: Fault: Activate secondary air valve/ Ubat outside ulf/ fuel trim bank 1 limit values/ engine failure Code: bmw 2a82 Fault: supply voltage Code: bmw 3100 So, I do some research on website and I found that the problem is the tmap air sensor, can be that? Thanks in advance for any tips/help! If the system is not working properly, a fault code will be set. This will give an indication of engine performance and what lacks if anything. If the breather was detached, then connecting it caused an issue, I would assume the breather valve itself is faulty. When the engine is warm it does not happen. - Nick at Pelican Parts. caused new codes any help, however specific or not would be great and much appreciated. From reviews, mods, accessories, reliability concerns and more, this Mini Owners Club is full of info! Thanks Nick and Cassey, your team is doing a great job here. Hi Guys, got a 2008 320i N46 with 170,000 klms, no fault codes but very sluggish under 3000 rpm, worth replacing the vanos solenoids? - Nick at Pelican Parts. I did clean VANOS and spark plugs a year ago. Thanks, The VANOS unit can't be cleaned. - Nick at Pelican Parts, Hi! Thanks! Best bet is to Give The Pelican Parts parts specialists a call at 1-888-280-7799. I would check desired and actual camshaft position using a BMW scan tool. Once you figure out what is missing, it will be easier to diagnose. 2010 BMW 535i GT, Could be a vacuum leak, duct or hose. Only show this user. I actually removed and opened the DME, saw no physical evidence of problem. Because I was thinking it was a just the solenoids that need to be replaced , and I dont wanna spend the money buying the gears where as the solenoids are much cheaper . I have a 2006 330XI E90?. - Nick at Pelican Parts. The timing kit was changed 15k miles ago. You will need a slack tube manometer and a modified oil cap to do it. - Nick at Pelican Parts, Hi so I changed both solenoids and the problem seems to have gotten worse, the rattle sound when starting engine now happens always, it was going away after cold starts but now it seems that it remains, Any ideas what maybe causing this, Check engine oil level, condition and pressure. Any suggestions? Sounds like an engine misfire. No CEL or fault codes. This will be your best bet when diagnosing. After this it started dropping code 2A9A and stalling out at a low idle. The engine runs fine but it has a 2A83 vanos intake error. The car runs completely fine except it has stalled randomly at two stop lights but immediately starts back up and works well. Is the check engine light on or flashing when the problem is present? Before, rattling only happens if I shift to D when the engine is still cold. The jerking was rhythmic and about 2-3 cycles per second. Sounds like engine oil pressure issue to me. - Nick at Pelican Parts. The BMW E90 engine utilizes two VANOS (variable camshaft timing) solenoids. Or would it be more in line with a bearing ledge and where is the DIY for that?? If the solenoids did cause the fault, I prefer to replace them over cleaning them. ?/ What else could I check for? removed and cleaned the solenoids brake cleaner, then compressed air. I took it to my mechanic and he cleaned the vanos solenoids for me. Awaiting your feedback which will be highly appreciated. Let me know what you find. Hello Nick, so follow-up to my P054B Cold Start "B" Camshaft Position Timing Over-Retarded Bank 1 issue. - Nick at Pelican Parts, Thanks for your reply, after I got the screws, how can I know what torque to use, I would grab a repair manual. As I mentioned, the shop I took it couldn't repair it, so I need to take it elsewhere. The engine fires for a second then just continues cranking but will not start. Thanks for the direction- reading through the website and threads you guys are brilliant. The idle issue can be cause by many things. I have a bavarian technic and pulled the following codes. I would like say to all friends here in this section: Don't switch oil brand or oil grade when you find that your engine has been running with the one you've been using Perfectly. https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/FUEL-Camshaft_Sensor_Testing/FUEL-Camshaft_Sensor_Testing.htm - Nick at Pelican Parts. Airbags were deployed and safety battery terminal too. Did not have this problem prior to them being replaced.thanks for your help, Is the surge harsh? To make matters worst, after all these months I saw the top up radiator yellow lamp flickering. Could be a timing issue. SO probably not solenoids. I would check the VANOS solenoids and mechanical engine timing. 2 Rattle will disappear when I shift to Neutral 3 Rattle also appears when I drive very slowly in car park or before speed bumps. I have a 2007 BMW 328i with 96k miles. How big is the problem? I am scratching my headwhat else it can be, if you have spark, compression and fuel - you would not have a misfire. I have confirmed continuity of the servomotor wiring, but wasn't getting a voltage reading above a 1v at its plug even while engine running. Bmw 328i xdrive 2011 - I don't have any fault codes. Then the issue is likely the actuator or the timing chain components. I'm now getting the engine management light again but only after the car has idled for 30 seconds or so, it then develops a rough idle! I've NEVER had a problem with the car. Its 2007 328xi, You may be catching the beginning of a VANOS issue. If we get the chance to perform the repair, we will be sure to document the process. Thanks a lot!!! - Nick at Pelican Parts. Just before the error occurs the car has slower pickup between 1500 and 2200 rpms. - Nick at Pelican Parts, The scanner shows codes 2a82 and 2a87 although there are no pitching or idling problems. I have yet to receive a parts list from BMW for the 2008 328i. The engine improved slightly but still shakingmisfiring. took the car to an independant garage for diagnosos..his computer is saying cylinder 1 is misfiring. Hi Nick: I have all those scan tools and how can I actuate it using it? You could have a VANOS that is jammed. Since then, I've had two brief episodes of jerking, one in 1st gear, one in reverse. Share this page on your favorite Social network. Hi - I have an e91 320i 170ps 63000k's. I have 330ie90 getting codes poo12-poo15 I think their is a timing issue as if the car had jumped time checked and cleaned vanos selanoids cleared codes they came back even replaced intake selanoid should I bring this car to get the timing checked out or could it be a sensor or something else thanks for your help! Like 2A98, 2A82, etc. Thanks for responding so quickly nick. I'm afraid of driving car like this. Thanks for the additional info and feedback. They can figure out what part or repair kit you need. How is the engine oil? I would check mechanical engine timing. Will it reoccur in the future? Read the codes and tried resetting them. This issue happens about 1 out of 5 times when accelerating. If that doesn't do it, check mechanical engine timing.- Nick at Pelican Parts. Sounds like an engine misfire. The other things I have been hearing is that VANOS can cause false failure codes for cam or crank position sensorsand I noticed that I have a VANOS code but I am not 100% sure what that code is. Start by checking the oil level, then oil pressure. Check the review on their website from the pros that use it. - Nick at Pelican Parts. car still won't start. If you would like your login information reset, click on the button below to request your login information to be reset. I own a 2010 BMW E93 6-speed manual with 65k miles N52B30 engine. If a DTC related to the camshaft position sensor has been logged, repair this problem . If OK, the thermostat may be faulty.- Nick at Pelican Parts. Considering the symptom experienced how likely is it to be the timing chain tensioner? Do you think that this is related to Vanos? Have been told that the inlet one has been replaced but the problem code still appears. There does not seem to be much coming from the solenoids when I clean them. Before the engine is warmed up, it runs smoothly. - Nick at Pelican Parts, My 2007 bmw 328i has a engine rattle after running on the highway coming from the front end. Would the code 2a99 crankshaft- exhaust camshaft correlation cause the misfire on cylinders 4,5 and 6? I posted earlier with a photo on the Recall/Warranty for 2010, 2011, and 2013 N52 engines that relates to defective vanos bolts. Had crankcase vent valve changed with no change to car idling rough and pressure on my oil filter cap causing it to leak about once a month. - Nick at Pelican Parts. i'm thinking it may be the starter, but are there any other things that i should check before it? starts up fine now engine light still on, still stalls out. If the VANOS units were replaced, the issue can be a worn timing chain. before fitting new parts i would check oil is clean and filter , also pull out the oil solonoid and clean the gauze filters on it they do get crud then throw up fault codes like that, also worth doing a oil pressure test,, i change oil and filter on mine around no more than 10k but 8k better and filter,, the engine gets a kicking from how hot the prince engine runs ie 112c max out normally around 104c,. Question is what can go wrong with the vanos camshaft gear or why would the cams go out of alignmnet? How is the engine oil? It will have the wiring. - Nick at Pelican Parts. Let me know I really appreciated! I have a feeling it came off again today as I heard a crack noise coming from the engine and cylinder 4 is misfiring again, how can I fix this problem Did you figure it out, I have the same code, sometimes hard to start, sometimes engine shuts off. Some research and experience with timing . they will point you to thr area of the issue. Concentrating on 2A87 I decided to clean exhaust VANOS solenoid. I will attempt to go down that path at this point Thank you, OK, great info. Clean VANOS unit? So could a faulty VANOS actuator. Follow up to comment by Shane J Cooper titled "I have a 2007 BMW 328i with 96k miles" Thank you for your response, Nick. And there is a hose on it coming from the vent valve. https://us.autologic.com/news/fuel-trim-fuel-control-diagnosing-faults-part-1 - Nick at Pelican Parts. Can you please help? If that doesn't do it, check mechanical engine timing. Is the check engine light on or flashing when the problem is present? Maybe swap the solenoids first to see if the code changes. I did replace the vanos units sprockets about 10000 km ago. That may remedy the fault, if not, you may need to replace them. After two months with no light, the light came on again today. Now I see a bit of sludge in my oil filler cap and in the valve cover. Check mechanical engine timing. i tight everything and plug everything now car run smooth but i still feel like is gonna stall . I was thinking of rebuilding vanos unit but didnt find any sets to rebuild it in N46. Anyway, thanks a lot for your time spent on my endless questions. I've also noticed when it does this the fan comes on and stays on all the time whilst driving. If it functions normally, you can assume it is the actuator.- Nick at Pelican Parts. Confirm engine oil level is OK> If so, the issue is likely worn timing chain components. JavaScript is disabled. Joe, Is the check engine light on? The fastener on the intake valve snapped and 3/4 of the bolt is still inside the hole. When I removed the intake solenoid, there was an O Ring, but the spacer was missing. What do you suspect? Also swap sides while you are at it. Especially with the engine temp fault code. Pete is online now Related BMW Questions Sounds like an engine misfire. replacement guide of Mini VANOS actuator to remove and install, check engine light, and step by step on a 2012 Mini Cooper nonturbo. I have a 2007 320i msport e90 automatic and the temperature light comes on it first shows orange then goes to red then the car switches off and the fan comes on but the weird thing is that the car isn't even hot and I have no idea what the problem could be . Any ideas?? Should be somewhere around 200- 220f. - Nick at Pelican Parts. No sense in replacing them if they are not broken. Hey Nick, 2009 335 e93. Do I reverse the vanos or have an oil change? Like I said earlier. I replaced the 2 vanos solenoids on the side of the engine where the code was coming from I replaced the throttle body and took both valvetronic motors out and cleaned them. 287D VANOS inlet actuator movement 2870 VANOS Inlet adaptation stop 2845 VANOS exhaust activation movement 2891 Inlet camshaft correlation Now from what i have found out it is to do with the timing chain, the car has done 121,000 miles but i bought it becuase it had a new timing chain in 2019 10,000 miles ago. Any ideas?? Later drove to indy shop everything worked fine. The episode in first gear started immediately upon ignition and spontaneously resolved as I drove away from a red light. - Nick at Pelican Parts. I've a 320i e90, rough at idle very shakey and then corrects and gets 02 sensor fault, reset fault and gets shakey again, appears to be misfiring 1&4 changed coils,plugs, both pre cat 02 sensors ccv valve and recently had top end rebuild, could vanos be my issue? This could be a sensor issue or mechanical timing. You can have worn or faulty VANOS parts. It could also be a timing chai or VANOS actuator issue. - Nick at Pelican Parts, Literally an ever so subtly side to side rolling sway feeling, not a rough idle or misfire, That could be normal or due to work engine mounts. Possible. - Nick at Pelican Parts, No the check engine light is not on, but why is it failing to startup. I found oil leak on eccentric shaft sensor so I plan to change the gasket. I am very disappointed, as such an expensive car with only 450 miles on it it should not happen. Installed new coil and MAF unit. - Nick at Pelican Parts. Do you think replacing vanos would resolve the issue and not entirely sure what the fault for the MAF sensor means. Had a scan done and Code is 2A87 vanos mechanical. Thanks again Nick. Hard to say with little info. There is a noise and when I get the error 'reduced power' and the noise goes away. Thanks, I would address the P0016 first, as that may be the no start issue. Regards Andrew, Could be same issue, head gasket leak would cause that as well. Here is a thorough list of items to test and check with VANOS malfunctions. Can you confirm injector pulse and flow? You can clean the o-rings with oil its much safer. 1, Camshaft sensor inlet - permanent - (fault code 2983) 2, VANOS inlet, flank adaption - permanent (fault code 2870) The car runs and pulls fine . - Nick at Pelican Parts. What faults are you getting? Yes. There are no codes coming on now. They need to be tested using an amp meter. You will have to TEST oil pressure. Thoughts? Reason of this chek is that car is a bit slow. I have a 320i E90 and the engine light half orange recently came on and the car went into limp mode. I have seen many damaged this way. The VANOS actuators mount to the front of the camshafts. BUT - it could be right under the threshold. Check timing via a bmw scan tool, is desired same as actual? 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