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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Sticky vanos: code p1554



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      01-18-2012, 04:27 PM   #23
_anttii
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Status update:

My intake camshaft position sensor was changed but I got the engine warning light again about a week after the change. So it was not the position sensor. The light went off itself this time and now I'm waiting for it to return.
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      01-18-2012, 11:21 PM   #24
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Can you show some pics of where these are at?

Quote:
Originally Posted by ********* View Post
Wow, they charged you $180 to blow shop air through the solenoids. That's their method of cleaning. And both solenoids can be removed from the N52 in under 15 minutes.

I really hope that's not the normal diag fee for your dealer....
Just curoius how easy this job is to do? I have an 06 530xiT wagon that has also thrown code P1554. I have found the SIB on this but need to know if this is covered from BMW or do I have to pay to have them blow air on it?

Any way you could post some pics to show where these are located at on the engine?

TIA

Rich
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      01-19-2012, 12:02 AM   #25
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How did you read this whole thread and miss my post where I put a link to the DIY? Go back a few
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      01-19-2012, 12:55 AM   #26
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Thanks Jimmydever. I missed the link on the page. Guess I know what I am doing this weekend now.
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      01-19-2012, 12:34 PM   #27
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Haha no problem. Just did mine the other night. Car is way better. Takes all of ten minutes.
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      01-19-2012, 04:43 PM   #28
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P1554 vs. P1553

here's an interesting issue with regards to P1554 and P1553 codes.

I got the P1554 code two weeks ago -> car was running fine (as mentioned in detail in my post on page 1 of this thread) -> I took out both solenoid valves, cleaned both (intake & exhaust) out with pressured air. --> once I finished cleaning them -> i decided to swap the intake with the exhaust to see if it makes any difference (note, the parts are identical) -> I drove the car for two weeks (aproximately 1000 km, lots of short distance trips in cold weather, 5km from my house to my office, never warmed up the engine enough) with no issues -> it was cold for last four days (minus 30 celsius!) -> I started the car this morning and after a minute of driving it, I got a new code P1553 and the idle is rough with kind of loud ticking noise -> I might be wrong but I think it points to the solenoids again and it makes sense that it would change from P1554 to P1553 since I swapped them -> I am assuming the "now" intake (previously exhaust one) solenoid is simply bad and I need to replace it with a new part ($152 from Calgary BMW, 10 minute job by myself)

Any thoughts on this guys? have anybody tried the same thing?

I'll report back once I get my new part and replace it.

Thanks,
Filip

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      01-19-2012, 04:54 PM   #29
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That's exactly what people do to make sure its one solenoid. Just did the same thing and replaced only one and all is good.
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      03-02-2012, 05:33 AM   #30
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Cleaning the solenoids with compressed air three weeks ago has worked for me. I also swapped the solenoids as suggested.

I'm now considering if I could ask some refund from the BMW service for changing a wrong part (camshaft position sensor).
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      01-29-2013, 04:40 PM   #31
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as I had post in another thread :

Ok, I just want to update my P1553 code trouble, always got the code come up and goes always during winter time when the weather get cold, do I decide to do the Clean up of the 2 Vanos salenoid. I didn't use MAF cleaner just some paper towel to clean it, I guess that's not good enough

so after I read this thread I will swap them see how the codes will go, don't want to buy 2 vanos salenoid.
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      01-29-2013, 05:18 PM   #32
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I also swaped/cleaned the vanos solenoids as preventive maintenance few months ago. So easy to do on our e90s. Cleaned them and put them back on opposite order. Car is running smoother than before. I also due for a oil change and spark plugs so it should help to get even more smoother. Cheers!
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      02-04-2013, 03:53 AM   #33
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I had this code pop up a few months back, did an oil change and it went away.
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      02-15-2013, 03:35 PM   #34
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Quote:
Originally Posted by new0rder View Post
as I had post in another thread :

Ok, I just want to update my P1553 code trouble, always got the code come up and goes always during winter time when the weather get cold, do I decide to do the Clean up of the 2 Vanos salenoid. I didn't use MAF cleaner just some paper towel to clean it, I guess that's not good enough

so after I read this thread I will swap them see how the codes will go, don't want to buy 2 vanos salenoid.
Ok, so I went ahead and order 2 x Vanos $120 each, swap the old one out and so far for 1 week, around 300 miles no issue yet. although during the procedure I l lose one of the pin

where can I buy these? for now I just use another one I found elsewhere.
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