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      12-12-2018, 09:14 PM   #19
mike@x-ph.com
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Drives: 2007 e92 335i / 2013 F30 328
Join Date: Sep 2013
Location: Las Vegas

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Quote:
Originally Posted by Hb_z View Post
Hi guys i have a bmw with the n63 engine i installed a catless down pipe and im Im ging to tune it but what is the best for preformance . + how much are the gains the car currently has put down 360WHP
I would get Bm3 or Active Autowerke since you have catless downpipe
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