Advanced G-Series compressor aero for max power

These bearings excel in high-horsepower applications

more efficient path for exhaust to flow out of the combustion chamber

and M44 engines

methanol injection

BMW E46 M3 Billet 210mm / 215mm Differential Cover Kit 1300.48.14.14.8 Advanced G-Series compressor aero forBMW E46 M3 Billet 210mm 215mm Differential Cover Kit High Strength, High Cooling Upgrade Upgrade your BMW E46 M3 with a precision engineered billet aluminum differential cover designed for the 210mm and 215mm large case differentials. Built from a single solid block of 6061 aluminum and finished with a corrosion resistant hard coat anodizing, this cover delivers exceptional strength, thermal management, and reliability for high performance street and