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      04-23-2012, 08:18 PM   #11
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Drives: 2014 435I M-sport
Join Date: Dec 2011
Location: Miami Fl

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Originally Posted by sA x sKy View Post
How did you find out about this problem?? The bov thing..

I get a code 2c90 diverter valve stuck open and the car feels laggy with a very audible whistle noise. When I clear the code via jb4 it instantly goes back to normal until I go wot and change gears.

Its weird it stays for a month or so then doesn't happen for a month I do not know what to think.
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