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Old 11-19-2011, 09:01 AM   #2
nickchuck
Registered User
 
Join Date: Dec 2008
Location: Central Jerz
Posts: 140
My Ride: 325xi (Topaz)
first thing, check your disa valve. You can do this yourself, take it out and see if the mechanism is broken (it shouldn't be able to flap around). If this is fine, you may need a re-coding. I had this same exact issue and a combination of the two fixed the issue completely.

Disa Valve is #7 below.
http://realoem.com/bmw/showparts.do?...79&hg=11&fg=40
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