Genuine BMW Part
Photos coming soon — see the BMW diagram below
01 View BMW DiagramSee this part on the official exploded view→O-ring — a genuine BMW part, number 17 21 7 729 718. The number stamped on the part is 17217729718; BMW's catalog files it under the short number 7729718. You will find it on our Cooling System shelf, under Oil cooler. BMW has since replaced it with 8546157.
BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.
BMW draws it on the Oil-to-water heat exchanger (11_5074) diagram.
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
17 21 7 729 71817217729718772971891316PRA1E000No fitment data available for this part.
Supersession
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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.