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BMW Brake Master Cylinders for BMW 7 Series E32 (1988-1994)

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 Master Cylinder - E32 735i 750il, E30 Upgrade

T#:15922

Part#: 34311156643

In Stock

$ 433.94

This product was last offered at the strikethrough price on
06-26-2026

$ 370.79 USD

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$ 370.79 USD

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This is the OEM brake master cylinder for E32 750il made by ATE. This master cylinder can be used as an upgrade for E30 models (in conjunction with brake line #34326755585).

This item fits the following BMWs:
1987-3/1988 E32 BMW 735i 735il
1988-1994 E32 BMW 750il

Brake Master Cylinder Upgrade
1984-1991 E30 BMW 325e 325es 325i 325ic 325is M3

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Brake Master Cylinder - E34 525i 535i M5, E32 735i/il

T#:13585

Part#: 34331156978

Ships in 1 Business Day

$ 173.99

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

$ 169.62 USD

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$ 169.62 USD

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This is an OEM replacement brake master cylinder that fits many E32 and E34 models. If your original BMW brake master cylinder has failed, this is the high quality replacement you need. 3/1988-1992 E32 BMW 735i 735il
1989-1990 E34 BMW 525i
1989-1995 E34 BMW 535i M5

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