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Old 06-07-2004, 12:53 PM
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Kaz Kaz is offline
King of Rear Clunks
Location: OC, CA
 
Join Date: Dec 2001
Posts: 12,907
Mein Auto: 01 325iT, 88 M6
All E46s make this noise (and presumably any other car that uses M52/M54/S52/S54 engines) on cold start, and it's the SAP. You can feel it vibrating if you put your hand on it while it makes the noise.
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2001 325i Touring Alpinweiss/Anthracite cloth, Alpina Softline
1988 M6 Royalblau/Silbergrau Nappa
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