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Old 12-12-2007, 08:25 PM   #54
Guy With A BMW
Registered User
Join Date: May 2005
Location: Toronto
Posts: 538
My Ride: 2003.5 AW M3 SMG
Originally Posted by Rajaie View Post
Your idle problem might be the DISA valve. Here’s an informative link.

Take out the DISA valve and inspect it. Try to catch any broken parts as you remove it. If not broken, spray it with break cleaner to clean off all the gunk.
See if this helps.
Already replaced and cleaned....BTW: THe DISA will cause a loss of power after VANOS kicks in...as the DISA closes some air valves to create a different air flow inside the header.
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