Thread: Muffler Delete
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      07-07-2010, 03:35 PM   #11
jacky822
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Drives: E60 M5
Join Date: Dec 2009
Location: Seattle, WA

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Quote:
Originally Posted by HomeRun217 View Post
It's probably because you're running rich and backfiring. This is pretty typical for the 335i, especially on a cold start.

Have you removed any cats?
No.. not yet.. its not backfiring.. but sounds like shitting water while shifting.. maybe running too rich.. so how do i solve the problem?? Thank you
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