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ATE BMW Brake Master Cylinders

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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Brake Vacuum Non-Return Check Valve

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T#:389374

Part#: 34331151533A

In Stock at Vendor

$ 63.99 USD

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$ 63.99 USD

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Check valve used in the large vaccuum hose between the throttle body and brake booster. OEM Ate part. Replaces OE BMW #34331151532.

ATE Brake Booster - E36

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T#:16441603

Part#: 34331162963

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$ 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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ATE Power Brake Booster - E36

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T#:16441600

Part#: 34331162965

Back Ordered

$ 331.99 USD

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$ 331.99 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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ATE Brake Master Cylinder - E10

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T#:8079

Part#: 34311113656

Back Ordered

$ 119.99

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

$ 116.99 USD

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$ 116.99 USD

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OEM BMW BRAKES BRAKE MASTER CYLINDER 34311113656.--

This item fits the following BMWs:
BMW 1600, 2002

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ATE Master Cylinder Reservoir Grommet

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T#:375679

Part#: 34311160133

In Stock at Vendor

$ 4.99 USD

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$ 4.99 USD

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Secures the reservoir to the master cylinder

Grommet - Brake Master Cylinder To Reservoir (22 X 7.3 Mm)

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T#:594654

Part#: 34311121911

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$ 6.72 USD

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$ 6.72 USD

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ATE Bleed Valve Screw for Dynamic Rear Sway Bar

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T#:591036

Part#: 34116768018

Ships in 1 Business Day

$ 10.08 USD

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$ 10.08 USD

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Bleed Valve Screw for Dynamic Rear Sway Bar

Grommet - Brake Master Cylinder To Reservoir (17 X 6.5 Mm)

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T#:640646

Part#: 34311103205

Ships in 1 Business Day

$ 9.99 USD

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$ 9.99 USD

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ATE O-Ring - E10, E12, E21, E24, E28, E3, E30, E9

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T#:1196093

Part#: 34314650345

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$ 4.99 USD

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$ 4.99 USD

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Seals the brake master cylinder to the power brake booster.

OE ATE Power Brake Booster - E23

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T#:19697

Part#: 34331152825

In Stock at Vendor

$ 1,565.99 USD

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$ 1,565.99 USD

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As you depress the brake pedal, your pedal linkage causes a shaft to move forward in response to your foot, and as this shaft moves forward, it interacts with the brake booster and master cylinder. The brake booster contains a diaphragm that separates its interior into two parts, with both in a partial vacuum. As the brake pedal is depressed, it causes a valve inside the booster to open, which in turn allows air into one side of the booster. This difference in pressure on one side helps to push the piston inside the brake master cylinder forward in response to the brake pedal, which in turn slows and stops your vehicle. If your brakes are feeling soft then it may be a good idea to replace your brake booster

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ATE Check Valve Gasket - E46, E82, E88, E90, E91, E92, E93, Z3, Z4 ...

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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

Brake Master Cylinder

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T#:31158794

Part#: 34336785667

Ships in 1 day

$ 215.55 USD

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$ 215.55 USD

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MINI R50 R52 R53 Brake Master Cylinder

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T#:27905127

Part#: 34336785668

Ships in 1 day

$ 210.21 USD

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$ 210.21 USD

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MINI R50 R52 R53 Brake Master Cylinder ensures reliable and efficient braking performance for your MINI. Specifically designed for the R50, R52, and R53 models, this high-quality component offers a perfect fit and exceptional durability. Made with precision engineering, it enhances your vehicle's safety and braking response.

Perfect fit for MINI R50, R52, and R53 models
Enhances braking performance and safety
High-quality, durable construction
Reliable and efficient operation
Easy installation for hassle-free replacement

Upgrade your MINI's braking system with the MINI R50 R52 R53 Brake Master Cylinder, designed for superior performance and longevity.

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ATE Brake Master Cylinder - E82/E88 128i

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T#:16441607

Part#: 34336779718

Special Order: No Guaranteed ETA

$ 174.99 USD

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$ 174.99 USD

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Make sure your pedal force is actually making it to the calipers, otherwise, you won't be able to stop. Stop quicker, better, and more reliably with new braking components.

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