TRW BMW Brake Master Cylinders for BMW 6 Series E64 (2004-2010)

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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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TRW Brake Booster - E60, E61, E63, E64
TRW Brake Booster - E60, E61, E63, E64
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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T#:592494
Part#: 34336779742
Ships in 1-2 days
$ 327.99

This product was last offered at the strikethrough price on
06-18-2026

$ 233.65 USD
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$ 233.65 USD
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Make sure you car stops on a dime by replacing a faulty or leaky brake booster
Brake Master Cylinder
Brake Master Cylinder
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
TRW - Corporate Logo
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
Free Shipping
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$ 246.99 USD
Free Shipping
Add to Wish List
Replacement Brake Master Cylinder from TRW

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