Depends on the exhaust setup.
My riss racing xpipe w/ stock muffler = raspy, with certain times sounding like a trumpet
My full gintani catless was super throaty but it had a bit of rasp midway but sounded good
my dinan/gintani xpipe setup sounds throaty but in the low rpms reminds me of a C63 tractor like sound, no rasp
2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle
Special Thanks: Gintani | OETuning | eAs