Cover cap, alternator — a genuine BMW part, number 12 31 7 787 096. The number stamped on the part is 12317787096; BMW's catalog files it under the short number 7787096. You will find it on our Electrical shelf, under Alternator with motor and mounting.
It fits the E46 sedan, touring and compact (318d, 318td, 320d, 320td and 330d, 1998–2004), with the M47, M47N or M57 engines.
BMW draws it on the ALTERNATOR PARTS 120A/150A Valeo (12_0914) diagram. It weighs about 49 g (0.1 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
