Self-locking hex nut
Part number: 24517542700
3' E30
316 316i 316i M10 316i M40 318i 318i M10 318i M40 320i 323i 324d 324td 325e 325i 325ix
5' E34
518i M40 518i M43 520i 520i M20 520i M50 524td 525i 525i M20 525i M50 525ix 525td 525tds 530i 530i M30 530i M60 535i 540i