192% higher Yield strength over OEM material

specifically for the S14B20

2015-2022     F48     sDrive18i / sDrive20i / xDrive20i / 25i / xDrive25i / 28i

Place the cylinder head on top of the gasket and install the head bolts or studs in their correct positions

and Mini B48 Engines is expertly crafted to meet the needs of enthusiasts seeking improved performance

BMW N55 / S55 4 Pin Crank Hub X6 xDrive40i 192% higher Yield strength overEliminate Crank Hub Failure on Your N55 S55 with RK Autowerks 4 Pin Solution Crank hub issues have plagued BMW N55 and S55 engines for over a decadecausing crankshaft spin, timing drift, and costly internal damage. RK Autowerks answers this problem with a precisely engineered fix: the RK 4 Pin Crank Hub. CNC machined in house at RKs Texas facility and made from heat treated 4130 Chromoly steel, this crank hub offers unmatched durability and precision.