Genuine BMW Part
Photos coming soon — see the BMW diagram below
07 View BMW DiagramSee this part on the official exploded view→This is a genuine BMW rotor, part number 12 31 1 722 978. The number stamped on the part is 12311722978; BMW's catalog files it under the short number 1722978. 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 7 diagrams, among them Alternator, individual parts 115A (12_0453) and Alternator, individual parts 115A (12_0455). It weighs about 2.8 kg (6.2 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 1 722 9781231172297817229781124035149No fitment data available for this part.
Alternator, individual parts 115A
Diagram 12_0453
Alternator, individual parts 115A
Diagram 12_0455
ALTERNATOR PARTS 140A
Diagram 12_0460
Alternator, individual parts 115A
Diagram 12_0524
Alternator, individual parts 115A
Diagram 12_0526
ALTERNATOR PARTS 140A
Diagram 12_0527
ALTERNATOR PARTS 140A
Diagram 12_0529
Related Parts
1727741Rotor1727742Rotor1738094Rotor1738107Rotor1739195Rotor1243006Rotor1244642Rotor1266718Rotor1266721Rotor1276216Rotor1279535Rotor1279588Rotor1279593Rotor1279683Rotor1288423Rotor1288424Rotor1318230Rotor1350331Rotor1354651Rotor1354678Rotor1358008Rotor1358009Rotor1359767Rotor1363095Rotor+12 more with this name. See them all
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.