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Old 12-10-2010, 02:55 PM   #13
Registered User
Join Date: Dec 2008
Location: Central Jerz
Posts: 140
My Ride: 325xi (Topaz)
Probably the DISA Valve. You can disconnect this on your own very easilly. If it flaps open and closed (no spring tension) it's broken.

If not check the coding of your computer. I had mine updated with the newest software ($129 at the dealer) and all my idling issues dissapeared. This may be a good idea if you haven't done it recently anyway.
nickchuck is offline   Reply With Quote