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      08-29-2012, 10:31 AM   #44
xs2man's Avatar
Drives: 2013 F11 530d M-Sport
Join Date: Jun 2012
Location: Scotland

Posts: 595
iTrader: (2)

I wouldn't worry about making power with a filter, its just unlikely to happen. Have a look at these 2 videos:

Ok. Its almost 20 mins of your time, but you will realise that its ALL for the noise, and maybe a small reduction in power.
530d M-Sport Touring.

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