Thread: My new 35iS
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      01-16-2013, 03:28 AM   #6
Toink
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Drives: E89 Z4 sDrive35is
Join Date: Jan 2013
Location: Netherlands

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Hi there! Great ride;

The IS exhaust system is quite good. If you like a bit more sound you can mod the exhaust valve (search) and/or replace the secondary cats with a straight pipe (e.g. Milltek).

What's your main reason for replacing the exhaust system? BTW I'm also in a struggle on what to do myself. It might end up being a terrible waste of money.