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BMW Brake Master Cylinders for BMW 6 Series E63 (2004-2010)

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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TRW Brake Booster - E60, E61, E63, E64

T#:592494

Part#: 34336779742

In Stock

$ 327.99

This product was last offered at the strikethrough price on
07-01-2026

$ 244.65 USD

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$ 244.65 USD

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Make sure you car stops on a dime by replacing a faulty or leaky brake booster

Brake Master Cylinder

T#:593986

Part#: 34336786586

Ships in 3 Business Days

$ 271.99

This product was last offered at the strikethrough price on
04-20-2026

$ 246.99 USD

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$ 246.99 USD

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Replacement Brake Master Cylinder from TRW

OEM Rein Brake Vacuum Pump w/ Seal - BMW E60 E63/64 E65/66 E53 E70 ...

T#:45997531

Part#: 11667635657

Ships in 4 Business Days

$ 225.99 USD

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$ 225.99 USD

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If the brakes in your BMW have begun to feel a little soft or stopping doesn't seem like it used to, it may be your vacuum pump. The vacuum pump assists the power braking system in providing ample braking pressure.

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BMW Brake Master Cylinders for BMW 6 Series E63 (2004-2010)

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TRW Brake Booster - E60, E61, E63, E64

Brake Master Cylinder

OEM Rein Brake Vacuum Pump w/ Seal - BMW E60 E63/64 E65/66 E53 E70 ...

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