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      11-17-2012, 10:41 PM   #7
Sigma Alpha Epsilon

Drives: 2007 335xi
Join Date: Apr 2012
Location: Encinitas

Posts: 425
iTrader: (1)

Originally Posted by Wolf 335 View Post
Mechaninically it is not a problem but when on the highway you will drone like crazy.

If that doesnt bother you then its ok
If he has OEM exhaust it wont drone like crazy... The flaps open once the cats are warm even when they are on and plugged in... If you wanna hear drone drive in a Muffler delete
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