Compression spring
12 31 8 637 78812318637788·short number 8637788Genuine BMW Part
Photos coming soon — see the BMW diagram below
-- View BMW DiagramSee this part on the official exploded view→Compression spring — a genuine BMW part, number 12 31 8 637 788. The number stamped on the part is 12318637788; BMW's catalog files it under the short number 8637788. 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 the Starter motor generator (12_1829) diagram. It weighs about 30 g (under 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.
Details
12 31 8 637 788123186377888637788No fitment data available for this part.
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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.
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