Actuator, backrest adjustment — a genuine BMW part, number 52 10 8 251 615. The number stamped on the part is 52108251615; BMW's catalog files it under the short number 8251615. You will find it on our Interior Body shelf, under Tail trim.
It fits the E46 sedan, coupe, touring and compact (320i, 323i, 325i and 328i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 3 diagrams, among them Front Seat Rail Electrical/Single Parts (52_2307) and Front Seat Rail Electrical/Single Parts (52_2593). It weighs about 501 g (1.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
