Expansion tank
17 11 7 573 78117117573781·short number 7573781Genuine BMW Part
Photos coming soon — see the BMW diagram below
03 View BMW DiagramSee this part on the official exploded view→Expansion tank — a genuine BMW part, number 17 11 7 573 781. The number stamped on the part is 17117573781; BMW's catalog files it under the short number 7573781. You will find it on our Cooling System shelf, under Radiator with mounting. It supersedes the older number 7787039, so a part carrying that number is the same part.
It fits every E46 body style (320i, 323i, 325i, 328i and 330i, 1999–2006), with the M52, M54 or M56 engines — and the European-market versions.
BMW draws it on 6 diagrams, among them Expansion tank, manual gearbox (17_0140) and Expansion tank, automatic gearbox (17_0141). It weighs about 850 g (1.9 lb).
We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.
Details
17 11 7 573 781171175737817573781Supersession
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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.