The Hartge Classic 2 on the E60 M5 is a favorite of mine. 
__________________ Gordon | 2002 M3 Coupe Individual | Tourmaline Violet Metallic | Nappa Gray | SMG
OEM CSL Boot | OEM ZCP Wheels | Eibach ProKit | 15/10 Rogue Spacers | Borla Exhaust/Midpipe |