This is a genuine BMW control unit f silent alarm, part number 61 35 8 376 505. The number stamped on the part is 61358376505; BMW's catalog files it under the short number 8376505. You will find it on our Electrical shelf, under Control units, modules.
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 2 diagrams, among them Relay, silent alarm, black (61_4482) and Relay, silent alarm, black (61_4490). It weighs about 76 g (0.2 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
