BMW OEM Engine Cylinder Head Bolt Set for 525i 528i 530i 320i 323Ci 323i 325Ci 325i 325xi 328Ci 328i 330Ci 330i 330xi X5 3.0i 525i 530i X3 2.5i X3 3.0i Z4 2.5i Z4 3.0i Z3 2.5 Z3 2.5i Z3 2.8 Z3 3.0i BMW OEM Engine Cylinder Head Bolt Set E39 E46 E53 E60 E83 E85 Z3 11121740065 525 M10X110 This part is used in Cylinder Head Attached Parts -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility