BMW Brake Master Cylinders for BMW Z3 (1996-2002)

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The brake master cylinder is responsible for distributing fluid from the reservoir to the front and rear brake systems. The fluid reservoir actually sits on top of the master cylinder with hard metal brake lines running out of it. There are a few places where the master cylinder can leak and cause a spongy or soft brake pedal. The inside has several pistons with o-rings and seals that can fail and allow brake fluid to escape. Likewise, the external metal lines also have o-rings where fluid can seep out or let air/moisture in.

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Genuine BMW Brake Master Cylinder Reservoir
Genuine BMW Brake Master Cylinder Reservoir
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Genuine BMW - Corporate Logo
T#:23056
Part#: 34326751589
In Stock
5% off MSRP $ 132.99

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$ 125.99 USD
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5% off MSRP
$ 132.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 125.99 USD
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Genuine BMW Expansion Tank With Warning Switch
This item fits the following BMW Chassis:
E46 M3,E85 Z4M,E46,E85 Z4,E86 Z4,E89 Z4

URO Brake Master Cylinder Hose - BMW
URO Brake Master Cylinder Hose - BMW
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URO - Corporate Logo
T#:18003807
Part#: 35006857512
In Stock
$ 24.99 USD
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$ 24.99 USD
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URO Brake Master Cylinder Hose - BMW

The URO Brake Master Cylinder Hose - BMW is engineered for optimal fitment and performance in your BMW’s brake system. The brake master cylinder reservoir hose plays a crucial role in ensuring proper fluid flow, and URO Parts' precise manufacturing ensures a secure and reliable connection. This hose is designed to withstand the demanding conditions of your brake system, ensuring longevity and safety.

  • Manufactured to OE dimensions for precise fitment and secure sealing
  • High-quality hose material resistant to glycol-based brake fluid corrosion
  • Ensures long-term reliability and performance under high-pressure conditions
  • Perfect for restoring the integrity of your brake system when replacing worn-out hoses
  • Easy to install, providing a hassle-free replacement experience
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TRW Brake Master Cylinder - E34, Z3
TRW Brake Master Cylinder - E34, Z3
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TRW - Corporate Logo
T#:12758
Part#: 34311162915
In Stock at Vendor
$ 341.79

This product was last offered at the strikethrough price on
05-27-2026

$ 236.08 USD
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$ 236.08 USD
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BRAKE MASTER CYLINDER:343021
Genuine BMW Master Cylinder Cap
Genuine BMW Master Cylinder Cap
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Genuine BMW - Corporate Logo
T#:62744
Part#: 34321163815
Ships in 1-2 days
3% off MSRP $ 128.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 124.99 USD
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3% off MSRP
$ 128.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 124.99 USD
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Add to Wish List


Genuine BMW Cap With Warning Switch
This item fits the following BMW Chassis:
E36 M3,E36

ATE Brake Booster - E36
ATE Brake Booster - E36
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ATE - Corporate Logo
T#:16441603
Part#: 34331162963
Back Ordered
$ 258.99 USD
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$ 258.99 USD
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Has your brake pedal become stiff and hard to depress, or goes right to the floor with no pressure or feel, most likely the brake booster unit has failed. Replace the brake booster right away to restore proper braking performance.
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Gasket Ring
Gasket Ring
A10X13,5-Al
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Genuine BMW - Corporate Logo
T#:6483
Part#: 07119963073
In Stock
Sale - Save 50% $ 1.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 0.99 USD
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Sale - Save 50%
$ 1.99

This product was last offered at the strikethrough price on
05-14-2026

$ 0.99 USD
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Genuine BMW Gasket Ring
This item fits the following BMW Chassis:
E30 M3,E34 M5,E60 M5,E63 M6,E30,E34,E39,E46,E53 X5 X5,E63,E83 X3,E85 Z4

ATE Check Valve Gasket - E46, E82, E88, E90, E91, E92, E93, Z3, Z4
ATE Check Valve Gasket - E46, E82, E88, E90, E91, E92, E93, Z3, Z4 ...
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ATE - Corporate Logo
T#:8105
Part#: 34336765316
In Stock
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 2.99 USD
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$ 2.99 USD
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BMW BRAKES GASKET 34336765316
ATE Master Cylinder Reservoir Grommet
ATE Master Cylinder Reservoir Grommet
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ATE - Corporate Logo
T#:375679
Part#: 34311160133
In Stock
$ 4.99

This product was last offered at the strikethrough price on
05-28-2026

$ 3.99 USD
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$ 3.99 USD
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Secures the reservoir to the master cylinder
TRW Brake Booster - Z3 E36
TRW Brake Booster - Z3 E36
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
TRW - Corporate Logo
T#:23615507
Part#: 193321071788
Ships in 2 Business Days
$ 542.99 USD
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$ 542.99 USD
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The brake booster in a car is essential for improving the efficiency of the braking system by amplifying the force exerted on the brake pedal. As time passes, the brake booster may undergo wear and tear, resulting in problems like reduced braking power, a soft or spongy brake pedal sensation, and potential brake fluid leaks. These issues pose a threat to the overall safety and performance of the vehicle. Consequently, replacing a worn or malfunctioning brake booster is crucial to maintaining optimal braking performance and ensuring the safety of the vehicle.
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Gasket - E30, E32, E34, E38, E39, E52, Z3
Gasket - E30, E32, E34, E38, E39, E52, Z3
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:62685
Part#: 34321157396
Ships in 3 Business Days
$ 8.99 USD
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$ 8.99 USD
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Genuine BMW Gasket
This item fits the following BMW Chassis:
E34 M5,E30,E34,E38,E39

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