this hub has been laser scanned for perfect fitment and is a direct replacement for the OEM part

F10/F11 535i

it prevents oil from contaminating the transmission components

Simultaneously

The ATS 8HP Air Check Plate allows quick and accurate testing for internal hydraulic leaks—before reinstalling the valve body

Viton Valve Stem Seals, BMW B46 Supra MKIV this hub has been laserViton Stem Seals for High Performance BMW B46 Engines Viton Stem Seals are engineered to prevent oil from entering the combustion chamber, ensuring optimal engine performance. Crafted from premium Viton material, these seals offer superior control and durability across the entire RPM range. Their compact design allows for clearance in small inside diameter valve springs. Developed to withstand the extreme conditions of high horsepower and turbocharged