Tag Archives: BMW M4 Exhaust System

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Innotech Performance Exhaust System for BMW M4 – Video

BMW M4, Models, Tuning | January 10th, 2015 by Vanja Kljaic

The requirements of making a sweet sounding exhaust system may be overwhelming for some. For many, the exhaust system needs to growl when the throttle …

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BMW M3 and BMW M4 Inside (Part 4): Sound and exhaust system

BMW M4 | April 30th, 2014 by Horatiu Boeriu

Mr Drees, what area are you responsible for? Rainer Drees: I am responsible for the acoustic characteristics of M automobiles. This relates to everything that …