Dynamite Friction 355-31003 Brake Master Cylinder

Brake Master Cylinder for BMW 320i and 325e

The Dynamite Friction DFC Brake Master Cylinder, part number 355-31003, is a direct-fit brake hydraulic replacement for select BMW applications. It is listed for 1977-1983 BMW 320i and 1984-1986 BMW 325e models, including 1986 BMW 325e except ABS.

Key Features

• Brake master cylinder for BMW brake hydraulic service
• Fits 1977-1983 BMW 320i
• Fits 1984-1985 BMW 325e
• Fits 1986 BMW 325e, except ABS
• DFC Brake Master Cylinder line from Dynamite Friction
• Part number 355-31003 for application matching

Product Details

The DFC Brake Master Cylinder line is built for brake system repair where consistent hydraulic pressure and pedal response are required. This master cylinder is cataloged for BMW 320i and BMW 325e fitments, making 355-31003 a focused replacement choice for classic BMW brake maintenance and restoration work.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Brake Issues It Can Address

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder area
• Uneven brake response during normal braking
• Brake system service needs on BMW 320i and 325e models

Installation Notes

Verify vehicle year and ABS configuration before ordering. This listing includes 1986 BMW 325e except ABS, so ABS-equipped vehicles should be checked against the catalog before installation. After replacement, the brake hydraulic system should be bled according to BMW service procedures and inspected for leaks and proper pedal operation.

Quality Assurance

DFC Brake Master Cylinder parts are cataloged by application for accurate fitment selection. Use part number 355-31003 to confirm the correct brake master cylinder for your BMW 320i or BMW 325e application.