The BMW M3 Coupe and Sedan really get enthusiasts? blood fired up by amplifying all the elements the performance-minded driver loves about BMW?s entry-level platform. Of all the cars BMW offers, this is the one they run in competition, and for good reason. But, while the car is a winner, many M3 owners have contacted Borla with considerations about the weight, sound and performance of the stock exhaust setup. Borla has successfully answered the needs of these enthusiasts with a variety of aftermarket offerings.