BMW M2 Forum - View Single Post - Hidden exhaust mode in M2 (Traction Mode)

AK.Alexx · 01-10-2018, 10:56 AM

Question:
I have an M2 LCI with MPE. When standing in neutral, and switch between normal/traction and sport/sport+ it sounds more raw in sport.
Is it true that the left valve operates from the stock exhaust?

I thought it was full open with the bluetooth controller.
Traction mode would be much louder if the left valve stays open I think.

Thanks!

01-10-2018, 10:56 AM	#253
AK.Alexx Private First Class 50 Rep 111 Posts Drives: BMW M2 on order Join Date: Feb 2014 Location: BELGIUM iTrader: (0)	Question: I have an M2 LCI with MPE. When standing in neutral, and switch between normal/traction and sport/sport+ it sounds more raw in sport. Is it true that the left valve operates from the stock exhaust? I thought it was full open with the bluetooth controller. Traction mode would be much louder if the left valve stays open I think. Thanks!
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