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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Code: 2A99



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      09-15-2013, 02:59 PM   #1
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Code: 2A99

Hello everyone, been a while since I've been on this forum. I've got an issue with going into limp mode, I've pulled the code and got 2A99.

2A99 Crank shaft - outlet camshaft, correlation

I am a bit confused as I've read a few different things.

I went ahead and removed the solenoids in the front and cleaned and re-installed (vanos solenoids).

cleared codes, test drove, code came back.

Now I am correct in assuming that the solenoid is my issue? Any suggestions are welcomed before I shell out 120 bucks for a solenoid.
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      09-15-2013, 03:04 PM   #2
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Recently had the same problem.. tried to clean first but codes came back. ended up buying x2 new solenoids and it fixed my problem.
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      09-15-2013, 08:02 PM   #3
Greatdane84
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When you reinstalled did you flip 2 solenoids or put back into their respective spots? If so probably need to replace.
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      09-17-2013, 10:31 PM   #4
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Quote:
Originally Posted by Greatdane84 View Post
When you reinstalled did you flip 2 solenoids or put back into their respective spots? If so probably need to replace.
Yes put them both back in the same spot, i noticed excessive rust on the bottom exaust solenoid so i am thinking it is the source of my problem. Ordered 1 new one and hopeful it isnt the camshaft bearing ledge.
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      09-26-2013, 01:21 PM   #5
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Replaced 1 solenoid, code is present, i realized i am under the mileage for oil change but i haven't had one in over a year so i thinking maybe its causing problems waiting for my ramps to come in to do an oil change. Any thoughts its the same code
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