Genuine BMW part 52 10 8 255 704: Cable, seatbelt tensioner/seat connector. The number stamped on the part is 52108255704; BMW's catalog files it under the short number 8255704. You will find it on our Interior Body shelf, under Tail trim.
It fits every E46 body style (320i, 323i and 325i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 9 diagrams, among them Wiring set seat (61_1220) and Rep. cable, airbag (61_1758). BMW's catalog calls for two of these at each place it is fitted. It weighs about 30 g (under 0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
