Bracket f compressor — a genuine BMW part, number 34 51 1 164 469. The number stamped on the part is 34511164469; BMW's catalog files it under the short number 1164469. You will find it on our Brakes shelf, under Mechanical-hydraulic components.
It fits the E46 sedan, coupe, convertible and touring (320i, 323i, 328i and 330i, 1999–2006), with the M52 or M54 engines — and the European-market versions.
BMW draws it on the DSC compressor/senors/mounting parts (34_0958) diagram. It weighs about 123 g (0.3 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.