Genuine BMW part 52 20 2 268 791: Tension spring. The number stamped on the part is 52202268791; BMW's catalog files it under the short number 2268791. You will find it on our Interior Body shelf, under Seatbelts.
It fits the E36 touring and compact (318ti, 1995–1999), with the M42 or M44 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Seat, rear, cushion, & cover, basic seat (52_0752) and Seat, rear, cushion, & cover, basic seat (52_0755). BMW's catalog calls for two of these at each place it is fitted. It weighs about 19 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.
