Thread: M4 exhaust rattles on cold start?
View Single Post
      01-07-2015, 10:15 PM   #48
Jay1994
Banned
14
Rep
221
Posts

Drives: F82 M4
Join Date: Oct 2014
Location: United States

iTrader: (0)
Opening the valves fixes the rattle but creates a bit of drone
Appreciate 0
Quote