Originally Posted by bas2000
IMHO you don't have to track your car as just about anyone running FBO or higher can benefit from an LSD.
Not really, cuz you'll still have bad wheel hop. You would benefit more from the rear diff lockdown kit.
E90 335I: FBO +wavetrac LSD
E92 M3: K&N, Rouge Engineering Pulleys, Macht Schnell Test Pipes-w/ebay rear O2 spacers, Pagid S, V1