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Old 05-05-2013, 02:54 PM   #18737
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Join Date: Feb 2011
Location: Honolulu, HI
Posts: 2,898
My Ride: 01' 325ci
* What did you do to/for your E46 today? *

Originally Posted by WDE46 View Post
secondary air pump. runs when the car just starts and is cold. It's an emissions thing. You moved the camera really close the SAP during the film and the sound got very loud. Sounds like that's where it's coming from.
Yeah my dad accidentally cut the line while doing the vcg. I know about that already.

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