BMW 1-Series Forum (F20) 135i - 1Addicts.com - View Single Post

max2005b · 08-06-2012, 08:46 AM

no need for a blow off valve, surprisingly this car comes with one which is already very noisy.
similar to aftermarket blow off valves.
put Sport mode and rev the car (lets say 2nd gear), release the pedal when on 4-5k rpms and you will hear it.

08-06-2012, 08:46 AM	#4
max2005b Private 23 Rep 69 Posts Drives: F20 Join Date: Mar 2012 Location: IL iTrader: (0)	no need for a blow off valve, surprisingly this car comes with one which is already very noisy. similar to aftermarket blow off valves. put Sport mode and rev the car (lets say 2nd gear), release the pedal when on 4-5k rpms and you will hear it.
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