Genuine BMW Part
Photos coming soon — see the BMW diagram below
10 View BMW DiagramSee this part on the official exploded view→Rotor — a genuine BMW part, number 12 31 1 288 423. The number stamped on the part is 12311288423; BMW's catalog files it under the short number 1288423. You will find it on our Electrical shelf, under Alternator with motor and mounting.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
BMW draws it on 29 diagrams, among them Generator, individual parts (12_0176) and Generator, individual parts (12_0179). It weighs about 2.4 kg (5.4 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
12 31 1 288 4231231128842312884231124035072No fitment data available for this part.
Generator, individual parts
Diagram 12_0176
Generator, individual parts
Diagram 12_0179
Generator, individual parts
Diagram 12_0182
Generator, individual parts
Diagram 12_0184
Generator, individual parts
Diagram 12_0185
Generator, individual parts
Diagram 12_0235
Generator, individual parts
Diagram 12_0238
Generator, individual parts
Diagram 12_0241
Alternator, individual parts 80A
Diagram 12_0435
Alternator, individual parts 80A
Diagram 12_0436
Alternator, individual parts 80A
Diagram 12_0445
Alternator, individual parts 80A
Diagram 12_0545
Alternator, individual parts 80A
Diagram 12_0548
Alternator, individual parts 80A
Diagram 12_0549
Alternator, individual parts 80A
Diagram 12_0552
Alternator, individual parts 80A
Diagram 12_0555
Alternator, individual parts 80A
Diagram 12_0559
Alternator, individual parts 80A
Diagram 12_0560
Alternator, individual parts 80A
Diagram 12_0564
Alternator, individual parts 80A
Diagram 12_0565
Generator, individual parts
Diagram 12_0682
Generator, individual parts
Diagram 12_0697
Generator, individual parts
Diagram 12_0699
Generator, individual parts
Diagram 12_0704
This part is on 5 more diagrams; the E36 and E46 ones are listed first.
Related Parts
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Every used part is inspected and graded before listing. Condition grades:
- Good — minimal wear, fully functional.
- Fair — normal wear, fully functional.
- Acceptable — visible wear, still functional.
Returns: 30 days if a part arrives damaged or isn't what the listing described. Full policy.
Shipping: Ships within the US. Orders ship within 1–2 business days; small parcels ship free on orders of $75.00 or more. Oversize items ship at a flat $49.99 each — free shipping does not cover them.