New: BMW MINI B47D20A, B37C15A, B47C20A piston ring set STD for 4 cylinders - BMW piston ring set, MINI piston rings. Specs: Cylinder bore 84 mm; ring thickness 1.50 x 1.50 x 2.00 mm; Type: piston rings; OE No 11258513601. Compatibility: Motor type BMW, MINI; engine codes B37 C15 A; B37 D15 A; B47 C20 A; B47 C20 B; B47 D20 A; B47 D20 B; B47 D20 O1; N47 C20 A. Cross refs: GOETZE 08-449700-00; KOLBENSCHMIDT 800119510000; MAHLE ORIGINAL 081 RS 00110 0N0. Vehicle fit: Includes BMW 1/2/3/4/5/6/7 series, X1/X2/X3/X4/X5 and MINI models F55/F56/R56/F54/R55/F57/R57/F60/R60; compatible with additional listed models. Warranty & returns: Replacement warranty or credit for defective goods subject to inspection and return; warranty 12 months or 12,000 mile .