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      12-27-2017, 01:48 AM   #1
Rajvosa
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Drives: E92 M3
Join Date: Nov 2011
Location: Perth

iTrader: (0)

Are 1M DP higher flowing than 135/335

Having a discussion on a fb group, and I’ve heard from few sources 1M DO are higher flowing than non-M.
We got coupe pics of cats and insides seem to be same from looking at it.

Can anyone shed some light on this?
Appreciate 0