View Single Post
      03-07-2018, 04:44 PM   #8
BayE30
Lieutenant Colonel
United_States
1341
Rep
1,881
Posts

Drives: 2011.75 E90 M3 ZCP
Join Date: Jul 2014
Location: San Francisco

iTrader: (5)

sounds like cold start on an m3... before I coded mine out, the car would sound like a 70s muscle car.

im leaning towards an exhaust leak with my fingers crossed for you.
Appreciate 0