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      04-10-2013, 03:05 AM   #1
malrayes
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Drives: BMW 640i Coupe
Join Date: Apr 2013
Location: Kingdom of Bahrain

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Question BMW 640i M Performance Exhausts (Questions)

Hello all,

I went through some threads and videos regarding the M performance exhausts and would like to ask some questions, Ill appreciate your help & feedback!

I ordered the M performance exhausts (for my BMW 640i) from my local dealer and it should be available in 3 weeks, they also said they will convert the exhaust tips to the 650i style!

Here are some questions regarding the sound of the exhausts:

1) I saw some videos about the M performance exhausts on the 335i and the 640i and I could hear some pops and cracklings sound is that moded or is it the actual sound of the exhausts?

2) What if I replace the mid-pipe with Super Sprint mid-pipe? Any ideas how will the sound be? (any ideas if there are better mid-pipes? Super Sprint said I need some modifications on the mid-pipe before installing)

3) Is there any difference in the sound of the M performance exhausts when changing the mode from Comfort to Sport? Automatic to S? (640i)

Ill appreciate your feedback guys!

Thank you in advance!
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