Thread: Startup noise
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Old 04-04-2012, 01:33 AM   #2
6th Gear Member
Join Date: Apr 2007
Location: Toronto, ON, Canada
Posts: 1,232
It kind of sounds like a DISA valve rattle. One test is to unplug it to see if it goes away, but it's not definitive, it could still rattle unplugged.
Other things to confirm are all of your fluid levels.

2002 E46 325ci // 5spd // ISC N1 Coilovers
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