BMW S55 Head Gasket & Head Stud Kit BM-M42>-65512S With years of expertise and

With years of expertise and a reputation for quality

fatigue resistance

Lightweight 4340 steel forgings: Strong enough for high RPMs without added weight

the factory systems start to show their limitations

BMW S55 Head Gasket & Head Stud Kit BM-M42>-65512S With years of expertise andOEM Head Gasket: Genuine BMW Head Gasket for BMW S55 engines. We have had the most success with OEM head gaskets in our high horsepower high boost applications. For those crossing 800+ horsepower, must O Ring the Cylinder Head or Block. Genuine BMW 11127849620 MLX Head Gasket: The Cometic MLX Head Gasket is designed as a direct replacement for BMW part # 11127599212, 11127599213, 11127849620, and 11127849621 specifically for use in S55B30 turbocharged