Hex nut M5 for 518, 518i, 520/4, 520i, 520/6, 525, 528i, M535i, from 08/1977 up (518 LHD 4665150 / 518 RHD 3825413 / 518A LHD 3840001 / 518A RHD 3865001 / 520/4 LHD 5367323 / 520/4 RHD 4405455 / 520A/4 LHD 4422973 / 520A/4 RHD 4435238 / 520i LHD 4463269 /