Description
Genuine BMW Front Main Seal, BMW B58 8233 The BMW M50 M52 S50 Bore Size Thickness:87.5 mm 0.089" RAD 20 0519 B48 Cylinder Head Valve lock keepers The BMW M50 M52 S50 and S52 engines are notorious for their well documented problems stemming from harmonics The billet block has a flat surface which can be mounted using the provided hardware