Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit!
Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit!
Provides maximum traction and lock up when accelerating. Perfect for drift or drag racing situations or those looking to increase the sport feel of the car.
*Any defects or warranty clams will have to go directly to Team M Factory*
Provides maximum traction regardless of whether accelerating or decelerating offering the same lock up in both circumstances. Ideal for those looking for maximum sports car feel.
*Any defects or warranty clams will have to go directly to Team M Factory*
Maximum traction and control whether accelerating or decelerating. Locks axle shafts with a different ratio for each situation. Perfect Compromise between safety and sport.
*Any defects or warranty clams will have to go directly to Team M Factory*
Provides maximum traction and lock up when accelerating. Perfect for drift or drag racing situations or those looking to increase the sport feel of the car.
Any defects or warranty clams will have to go directly to Team M Factory
Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering.
*Any defects or warranty clams will have to go directly to Team M Factory*
Designed to handle up to 8500 RPM and support engines producing up to 1200 horsepower
Provides maximum traction when accelerating and provides a "50% lock up" during deceleration
Friction-resistant rod bearings for maximum performance!
The ultimate supplementary fueling kit for the S55 engine!
Get more out of your S55 Engine!
This offer pairs two of the best Z3M upgrades: a performance-oriented axleback exhaust for increased sound, and a dual-sheer selector rod for increased shifting precision!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
This product was last offered at the strikethrough price on
05-05-2026
Bare head, guides and seats only
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-04-2026
B58 Fuel Pump Upgrade - Save by assembling on your own!