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      11-22-2012, 12:19 PM   #6
Dackelone
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Drives: N54 e82
Join Date: Feb 2010
Location: Bayern, Germany

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Quote:
Originally Posted by ahon_hassan View Post
I really want to improve the sound on my 1er but DON'T want to void my warranty...
You should look into BMW's Performance Exhaust. It really sounds good, exspecially once a few thousand miles have been put on it. It pops and crackles and sounds mean.