This head bolts kit is designed for use with N20 series engines, including N20 B16 A, N20 B20 A, N20 B20 B, N20 B20 C, N20 B20 D, and N26 B20 A.It is compatible with 1 Series, 3 Series, 4 Series, 5 Series, X1, X3, X4, and X5 models equipped with the 2.0L N20 engine.The kit includes head bolts corresponding to part numbers 426.890, 11122212157, WG1242833, and WG1707020.It may also be suitable for certain Brilliance and Huasong vehicles using the N20 B20 engine family.Reference part numbers include BGA BK0902, Elring 426.890, FAI AutoParts B1740, Glaser T38789-00, IMEX IMX 426.890 and IMX 14-10010-01, MEC-Diesel 480044 and 480748, 14-10010-01, and Wilmink Group WG1242833, WG1707020, WG1754469, and WG1907165.