Pulley alternator
12 31 7 831 43412317831434·short number 7831434Genuine BMW Part
Photos coming soon — see the BMW diagram below
01 View BMW DiagramSee this part on the official exploded view→Genuine BMW part 12 31 7 831 434: Pulley alternator. The number stamped on the part is 12317831434; BMW's catalog files it under the short number 7831434. You will find it on our Electrical shelf, under Alternator with motor and mounting.
It fits the E46 coupe and convertible (M3, 2001–2006), with the S54 engine.
BMW draws it on 2 diagrams, among them Alternator parts 120A/140A Valeo (12_1085) and Alternator parts 120A/140A Valeo (12_2028). It weighs about 372 g (0.8 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
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