This is a genuine BMW unlocking unit, part number 52 10 8 099 134. The number stamped on the part is 52108099134; BMW's catalog files it under the short number 8099134. You will find it on our Interior Body shelf, under Tail trim.
It fits the E46 coupe and compact (323i, 325i, 328i, 330i and M3, 2000–2006), with the M52, M54, M56 or S54 engines — and the European-market versions.
BMW draws it on 6 diagrams, among them Front Seat Backrest Unlocking (52_2499) and Front Seat Backrest Frame/Rear Panel (52_2505). It weighs about 330 g (0.7 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
