Adjusting pulley — a genuine BMW part, number 11 28 7 512 758. The number stamped on the part is 11287512758; BMW's catalog files it under the short number 7512758. You will find it on our Engine shelf, under Other Engine parts.
It fits every E46 body style (320i, 325i and 330i, 2001–2006), with the M54 or M56 engines — and the European-market versions.
BMW draws it on 2 diagrams, among them Belt Drive Climate Compressor (11_2263) and Air Cond.Compressor-Supporting Bracket (64_1346). It weighs about 560 g (1.2 lb). It also comes in BMW kit Set, belt drive, A/C compressor (2250245).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
