The iconic M20 engine

Thoroughgoing Cleansing: Our commitment to excellence extends to every nook and cranny of your engine block

this BMW S85 piston set features:

Trust CAT Cams to give your BMW M10 the performance edge it needs

Step 3: Tighten Studs 1 through 10 to 75 ft-lbs

BMW S54 Cut Ring Head Gasket by Athena-SCE E46 M3 The iconic M20 engineThis Athena Cut Ring Head Gasket is specifically engineered to replace BMW part 11127835918 for the BMW S54 engine. Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure. Athena SCE Cut Ring Head Gaskets are uniquely designed to handle increased