allowing you the convenience of choosing the dyno facility of your preference

if necessary

Premium Stainless Steel Construction

2012-2016     F10     528i / 528i xDrive

Viton Valve Stem Seals, BMW N63 / S63 740i allowing you the convenience ofViton Stem Seals for High Performance BMW N63 & S63 V8 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