BMW Brake Master Cylinder - E32/E34 6 Cylinder - 34331156978

Original BMW brake master cylinder for various E32 and E34 models (see fitment notes)

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Typically ships in 3-4 weeks. This will be a special order from Germany.

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Price:
$607.72

This Genuine BMW Brake Master Cylinder is a high-quality replacement for your old, failing master cylinder. The master cylinder controls the distribution of brake fluid through your entire braking system, so even a small leak from a failing part can cause poor brake pedal feel and inaccurate brake modulation. 

Note on E34 525i Models: Not for 525i after 1991 model year. This master cylinder was only used on the early 12 valve M20 engine powered 525i, and should only be ordered for 1989, 1990 and 1991 model 525i. 

If you've found your brake pedal travel to be getting longer, particularly when sustained pressure is applied, a thorough inspection and likely replacement is highly recommended.
  • Original BMW quality and fitment
  • Ideal for rejuvenating your braking system
  • Key safety component for promoting accurate pedal feel
Fitment for:
E32 7-Series 6 cylinder - 735i, 735iL
E34 5-Series 6 cylinder - 525i (1989-1991 M20 models), 535i, M5

** Please note the image shown above is representative of most master cylinders, but is not specific to this part number. The brake master cylinder you are ordering may not look exactly like what is pictured. Please call us if you have any questions. 

This part is listed by BMW as BMW part number 34331156978 (34-33-1-156-978) and is described as Genuine BMW Brake Master Cylinder.

Supersedes the following BMW part numbers:
34311161861 (34-31-1-161-861)
34311161617 (34-31-1-161-617)

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

5 Series
E34 (89-95) > 525i M20
E34 (89-95) > 535i
E34 (89-95) > M5 (91-95)
7 Series
E32 (88-94) > 735i
E32 (88-94) > 735iL
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