Lock nut and protective plastic cap for M6 main power terminal

and #11240150249 in the BMW N63 and S63 engines with a 138

2019-Present     G06     X6 xDrive40i

it is a MUST to use Heavy Duty pins

BMW / Toyota B58 Gen2 Cut Ring Head Gasket by Athena-SCE Bore Size - Thickness:84.5 mm - 0.040" Lock nut and protective plasticThis B58 Gen 2 Head Gasket is specifically engineered to replace OEM part # 11115WAA04 and # 11127934495 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 cylinder