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Old 05-30-2012, 09:08 PM   #28
OEM ///Member
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 22,441
My Ride: 330CiC, M5, X5, E93

See the first link in my signature below. Just a bit of light reading for you in your spare time!

Suggest you read the DISA section and look closely at the CCV lower oil return hose as well. There may be other problems, but these are core issues that usually need attention.
Solve your misfires, lean codes, rough idle -

Fuel pump failures -

Temp Info -

Hidden OBC Menu - Check Voltage, Temp, Fuel Level -

E46/E39 GM5 Door Lock Info -

Lower hose temp switch O-ring - BMW #13621743299
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