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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Improved Performance
With built-in datalogging and fault detection
This CNC-machined aluminum adapter plate ensures a precise fit
1995-1999 E36 M3 (excluding Canada and the United States)
Viton Valve Stem Seals, BMW N63 / S63 Spring Style:Supertech Springs Improved PerformanceViton 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
