4 x BMW Genuine Window Regulator Hex Bolt for 328i 335i M3 328xi 335xi 335is X5 3.0i 4.4I 4.6is 4.8is 320i 323i 325i 325xi 330i 330xi BMW Genuine Window Regulator Hex Bolt Manufacturer Warranty: 12000 miles or 1 year Please Product Description below for Vehicle Compatibility