Fitment: for B57D30A, B57D30B engines. NOTICE: we recommend to share VIN with us for compatibility confirmation IMPORTANT: This is genuine BMW crankshaft and not returnable or refundable!

Package contains: 4 pistons with rings, pins Cyl.Bore: 79.00mm is STD Compression Height: 28.7mm Length: 53.9mm Recess Depth: +6.1/-3.4mm Bolt d.: 21.0mm Bolt Length: 46.0mm Info: head, top and 2nd ring lands anodized, skirt MoS2 treated, fits tapered connecting rod Piston rings: 1.20x1.20x2.00mm

Camshaft: EXHAUST only

Bore: 91.11mm Ring sizes: 2.00x2.00x4.00mm Oil ring type: 3 PC. FLEX-VENT

Width: 23.75 mm for bearing clearance from: 0.03 mm, until 0.07 mm for housing diameter from: 62.833 mm, until 62.848 mm for shaft diameter from: 59.015 mm, until 59.038 mm Component No.: 71-4080 Thickness: 1.884 mm

Quantity Unit: 1 pair Oversize: 0.00 mm for bearing clearance: from 0.006 mm, until 0.03 mm for housing diameter: from 51.6 mm, until 51.619 mm Width: from 21.5 mm, until 21.8 mm for wall: from 1.805 mm, until 1.811 mm for shaft diameter: from 47.95 mm, until 47.965 mm

Info: with valve stem seals, with cylinder head gasket for cylinder head cover with OE: BM5G6M293DB, BM5G6M293DC, BM5G6M293DE, BM5G6M293DF NOT for cylinder head cover with OE: BM5G6M293DG

Bearing structure: Tri-Metal; Number in pack: 8