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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
3 Series Parts

Line, expansion tank-

BMW Part Number:17 12 7 850 104
17127850104short number 7850104
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Genuine BMW Part

Photos coming soon — see the BMW diagram below

Line, expansion tank- – BMW diagram02 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 17 12 7 850 104: Line, expansion tank-. The number stamped on the part is 17127850104; BMW's catalog files it under the short number 7850104. You will find it on our Cooling System shelf, under Coolant lines.

BMW's catalog records no E36 or E46 it is fitted to; it belongs to other BMW models.

BMW draws it on the Cooling system coolant hoses (17_0967) diagram. It weighs about 190 g (0.4 lb).

We have not had one on the shelf yet. Request it and we will tell you when one comes off a car.

Details

BMW Part Number17 12 7 850 104
Also written as171278501047850104
QualityGenuine BMW · OEM

No fitment data available for this part.

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.