Front strut tower brace to reduce chassis flex and improve handling precision
suspension
Smaller 340mm airbag-compatible steering wheel upgrade from stock 385mm
interior
Performance suspension package lowering ride height while improving handling
suspension
High-quality stainless steel performance exhaust system with improved sound and flow
exhaust
Powerflex or AKG polyurethane bushings to eliminate rear subframe movement
suspension
reliability
High-flow intake system with claimed 12hp gain and improved engine sound
engine
Aftermarket LSD for improved traction and handling, especially beneficial for track use
engine
reliability
Cost-effective big brake upgrade using E46 330ci calipers and larger rotors
brakes
Larger diameter rear sway bar from Z3M for improved handling balance
suspension
Reliability upgrade replacing plastic impeller water pump with metal version
reliability
engine
Reduces shift throw length for quicker, more precise gear changes
interior
High-performance brake pads for improved stopping power and fade resistance
brakes