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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

O-ring

BMW Part Number:11 53 7 545 278
11537545278short number 7545278
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One email the moment one is listed — nothing else.

Genuine BMW Part

Photos coming soon — see the BMW diagram below

O-ring – BMW diagram08 View BMW DiagramSee this part on the official exploded view

What's Included

O-ring — a genuine BMW part, number 11 53 7 545 278. The number stamped on the part is 11537545278; BMW's catalog files it under the short number 7545278. You will find it on our Engine shelf, under Thermostat and coolant lines.

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

BMW draws it on 27 diagrams, among them Cooling System Water Hoses (11_3755) and Cooling System Water Hoses (11_3972). It also comes in BMW kits Gasket set cylinder head asbestos free (7548921) and Gasket set cylinder head asbestos free (7561438) and 2 more.

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 Number11 53 7 545 278
Also written as115375452787545278
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.