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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

Brake master cylinder

BMW Part Number:34 31 6 750 684
34316750684short number 6750684
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One email the moment one is listed — nothing else.

Fits E46 — 330Ci, 330d, 330i
Select your vehicle to check fitment

Genuine BMW Part

Photos coming soon — see the BMW diagram below

Brake master cylinder – BMW diagram01 View BMW DiagramSee this part on the official exploded view

Genuine BMW part 34 31 6 750 684: Brake master cylinder. The number stamped on the part is 34316750684; BMW's catalog files it under the short number 6750684. You will find it on our Brakes shelf, under Foot, brake master cylinder.

It fits the E46 sedan, coupe, convertible and touring (330i, 2001–2006), with the M54 engine — and the European-market versions.

BMW draws it on the Brake Master Cylinder/Expansion Tank (34_0764) diagram. It weighs about 645 g (1.4 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 Number34 31 6 750 684
Also written as343167506846750684
QualityGenuine BMW · OEM

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.