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Old 01-15-2013, 03:27 PM
JKRIT JKRIT is offline
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Location: Hollis, NH
Join Date: Feb 2008
Posts: 1,036
Mein Auto: '03 525i
Vanos seals; DISA valve; Idle Control Valve (ICV) are some possibilities, and maybe a trifecta of all three at once. DISA is very easy to inspect, but ICV is more likely to make clicking noises.
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