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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY - Replacing Camshaft VANOS Solenoid



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  DIY - Replacing Camshaft VANOS Solenoid
orionredwing
02-07-2011
This DIY explains how to replace the VANOS Solenoid, with failure commonly detected through the following codes.

2A82 Inlet-Vanos variable cam control test
2A87 Outlet-Vanos variable cam control test
3100 boost-pressure control, deactivation
...
  #66  
By GoRomeo on 03-20-2012, 06:09 PM
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Anyone? Lets keep this thread up to atract readers...
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  #67  
By BlueLion on 03-20-2012, 06:31 PM
Thanks OP I did this, this morning in under 20 mins.
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  #68  
By medvec04 on 03-20-2012, 11:50 PM
I did mine about 2 months ago. I was getting the code under WOT so I cleaned them with brake clean and swapped them around. Ever since then I haven't had any probs. Tha ms for this thread. Saved me some money too and only took about 20 mins.
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  #69  
By GoRomeo on 03-21-2012, 01:13 PM
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Quote:
Originally Posted by medvec04 View Post
I did mine about 2 months ago. I was getting the code under WOT so I cleaned them with brake clean and swapped them around. Ever since then I haven't had any probs. Tha ms for this thread. Saved me some money too and only took about 20 mins.
But have you noticed smoother idle or performance? Or you just got rid of the code and no difference on other aspects?
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  #70  
By benzo23 on 03-22-2012, 03:21 PM
I have a SES light on and thinking this might be the cause. Say i pull them out clean real well re install into opposite holes. Will this cause the SES light to go out or is there say a 12 start cycle procedure that has to be done, OR does it have to be cleared with the machine?
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  #71  
By ENINTY on 03-22-2012, 09:09 PM
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Quote:
Originally Posted by benzo23 View Post
I have a SES light on and thinking this might be the cause. Say i pull them out clean real well re install into opposite holes. Will this cause the SES light to go out or is there say a 12 start cycle procedure that has to be done, OR does it have to be cleared with the machine?
Clear it with a BMW scan tool, or OBDII scan tool.
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  #72  
By medvec04 on 03-26-2012, 09:26 PM
Quote:
Originally Posted by GoRomeo
Quote:
Originally Posted by medvec04 View Post
I did mine about 2 months ago. I was getting the code under WOT so I cleaned them with brake clean and swapped them around. Ever since then I haven't had any probs. Tha ms for this thread. Saved me some money too and only took about 20 mins.
But have you noticed smoother idle or performance? Or you just got rid of the code and no difference on other aspects?
My Car didnt really run bad before I did this I would just throw a code under wot and go into limp mode. But it does feel a smother since I've done it
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  #73  
By MrQuickR1 on 04-09-2012, 06:23 AM
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I did this yesterday simply for maintenance purposes. I didn't have a light.
I have to say it's almost too easy. I did not see any debris come out other than oil that looks curdled, maybe from the throttle body cleaner causing it to look a little gelatinized?
I didn't mark which harness went to which solenoid. I just connected them to where I thought it came from. So I plugged in the longer wire coming from the top of the engine to the bottom solenoid and one coming from the bottom to thje top solenoid. I believe that's the correct order. Can anyone double check to make sure I connected them back the right way? LOL that's what happens when you do things with a mild hangover
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  #74  
By firechicken99 on 04-09-2012, 07:27 AM
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Quote:
Originally Posted by MrQuickR1 View Post
I did this yesterday simply for maintenance purposes. I didn't have a light.
I have to say it's almost too easy. I did not see any debris come out other than oil that looks curdled, maybe from the throttle body cleaner causing it to look a little gelatinized?
I didn't mark which harness went to which solenoid. I just connected them to where I thought it came from. So I plugged in the longer wire coming from the top of the engine to the bottom solenoid and one coming from the bottom to thje top solenoid. I believe that's the correct order. Can anyone double check to make sure I connected them back the right way? LOL that's what happens when you do things with a mild hangover
I dont remember which is which but i am pretty sure the wires sit in a way that makes them easier to connect with their respective solenoids (hope that makes sense ) Id imagine if you did mix these up the car would throw some codes real fast!

On another note... Personally, FWIW my mentality on this is "if it aint broke dont fix it", but thats me. Not like its going to hurt anything but.
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  #75  
By DaanBMW on 04-10-2012, 02:27 PM
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Quote:
Originally Posted by AlanAZ View Post
Quote:
"if it aint broke dont fix it"
Does that apply to changing the oil? And since the solenoids are lubricated by oil, should they not be cleaned 1/2 way through their possible lifespan?
So... you are cleaning out your engine block, crankshaft, etc. ? Hope not. That is why you change the oil, so you _don't_ need to cleanup each part that needs lubrication. Unless there are symptoms or codes thrown, I don't see the value in this... as much as I'd like to hear that it improves the power or the pedal response.
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  #76  
By Alarbus on 04-11-2012, 10:30 AM
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I was sporadically getting the P1553 code, so I took these out and cleaned them Monday night. I definitely appreciate the reference photos, and the bits from the Bentley manual. Thanks!
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  #77  
By AcidLotus on 04-12-2012, 01:16 AM
This helped tremendously. Thank you!
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  #78  
By BADS335 on 05-02-2012, 09:53 AM
Anyone have an idle/low load missfire that this fixed? This is what I am having and have done everything but this and no change. I think I will give this a shot. I will pull them, clean them and swap possitions and see how that goes. I do not have VANOS codes. Only missfire.
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  #79  
By gzim335 on 05-05-2012, 11:25 PM
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Quote:
Originally Posted by GoRomeo View Post
Hi there,

Recently did the charcoal delete and had MAF sensor cleaned as well. Noticed a little faster throttle response. No big sound difference either. Now, I really would like to clean my Vanos Solenoid only as maintenance procedure, I have no error codes or anything, my car is running smooth no issues here. Have anyone experienced a real difference after cleaning the these Solenoids? If so, I would like to know cuz i am about to do it after I clean my engine bay soon. My engine is N54 330i with 87k miles. Thanks in advance.
n54 335i
n52 330i
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  #80  
By GoRomeo on 05-17-2012, 01:06 PM
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Quote:
Originally Posted by gzim335 View Post
n54 335i
n52 330i
yeah thats what I meant but thanks...
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  #81  
By crazyazzdo0d on 05-19-2012, 09:01 AM
I have a 07' 335i with jb2 stage 1 pinout and DCI, and I have gotten the half engine light multiple times during WOT but have not logged any errors according to bmw.. Car is fine upon reset and you can't feel any reason for the car to go into half engine mode. Does this sound like this a vanos issue? I am asking because it doesn't run rough or shudder, just goes limp
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  #82  
By aljoy12 on 06-08-2012, 07:54 PM
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Quote:
Originally Posted by nOshi View Post
Really good write up. My exhaust vanos was throwing codes. I replaced the exhaust vanos with a newly ordered one from Tischer (cheapest I've seen so far), and cleaned the intake vanos with some carb cleaner. (didn't get any on the connector part, and let it dry) After that, my car stopped shuddering and acceleration is back to normal.
how much did you get it from tischer? thanks i need to get two solenoids from exhaust and intake
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  #83  
By stressdoc on 06-19-2012, 02:28 PM
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Any clear consensus on whether to clean or replace? Makes sense to clean and swap first if it is such an easy job. I am getting 2A87 consistently. 67k miles.
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  #84  
By stressdoc on 06-19-2012, 08:57 PM
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Well, piss. I took out the exhaust solenoid and blasted it with electronic parts cleaner. Zipped everything back up and blah, first real WOT and code. Bummer, guess I will try a new one. Damn bolt can be hard to get back in, I have big hands and it is very tough to get it lined up and threaded.
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  #85  
By GoRomeo on 07-12-2012, 01:51 PM
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So guys If im getting NO codes, No missfires, do you still recommend this? Is your idle smoother and get a better response? I am about to do this but just want to make sure I dont waist time in doing it. From what I read, sound like a good idea and easy task. Anyone? Thanks
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  #86  
By Zenith63 on 07-14-2012, 05:02 AM
Hi guys,

Just to add I had to have the solenoids replaced on my 2007 335i recently. I was getting an engine warning light and crawl mode pretty much every time I started the car from cold in the morning aftert about 5 minutes driving. It would also give a code and go into crawl mode when on the track or pushing hard on the road. I tried cleaning the solenoids and BMW ran some sort of high pressure flushing procedure on them which improved the cold start warnings but not the track ones. Eventually got the solenoids replaced and this sorted the problem. Cleaning them was very easy, wish I'd just replaced them myself, would have saved a lot of money .

The errors I was getting in the logs were -
2A87 DME: Exhaust VANOS, mechanism
30FE DME: Turbocharger, boost pressure too high
2A99 DME: Crankshaft - exhaust camshaft reference
3100 DME: Boost-pressure control, deactivation
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  #87  
By Indo Rider on 07-22-2012, 02:24 PM
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Hey guys, I get the 2A87 code when I push the car hard (several multi-gear WOT pulls). I tried cleaning and swapping the position of the solenoids and I still get the same outlet code. Since I get the same code after swapping, should I even consider replacing both with new units? It's harder to get the code to pop at stock boost levels and I'm at 49,400 miles so if I was going to try to get anything done under warranty I'd need to bring it in soon, but that's a lot of de-modding I don't want to do. I'd like to figure out quickly whether I can fix this myself before warranty is no longer an option. Any thoughts/suggestions welcome. Thanks.
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