Dynamite Friction 355-31038 Brake Master Cylinder

BMW Brake Master Cylinder Replacement

The Dynamite Friction DFC Brake Master Cylinder, part number 355-31038, is a direct-fit hydraulic brake component for select BMW 3 Series models. It is built for 1984-1987 BMW 325e applications and select 1986-1987 BMW 325es, 325i, and 325is vehicles with the listed production cutoff.

Key Features

• Brake master cylinder for BMW hydraulic brake system service
• Fits 1984-1986 BMW 325e
• Fits 1986 BMW 325es
• Fits 1987 BMW 325e, 325es, 325i, and 325is to 4/87
• DFC Brake Master Cylinder line from Dynamite Friction
• Part number 355-31038 for application matching and catalog lookup

Application Details

This DFC Brake Master Cylinder is intended for BMW 325e, 325es, 325i, and 325is models listed in the fitment data. Use it when replacing a worn or leaking master cylinder on the brake hydraulics system and when you need a part that matches the specified production dates for 1987 BMW 3 Series vehicles. This part number, 355-31038, is also useful for cross-checking catalog listings during brake service on BMW 325e and related E30 applications.

Common Issues It Can Address

• Brake pedal travel that feels excessive or inconsistent
• External brake fluid leakage at the master cylinder
• Loss of hydraulic pressure in the brake system
• Soft or spongy brake pedal response
• Brake warning concerns tied to master cylinder wear

Installation Notes

Confirm the vehicle production date before ordering, especially for 1987 BMW 325e, 325es, 325i, and 325is models that are listed only through 4/87. Inspect the brake hydraulic lines, reservoir connections, and surrounding components before installation, and bleed the brake system thoroughly after replacement. Verify fitment against the original master cylinder and the vehicle’s brake configuration before final assembly.

Quality Assurance

Dynamite Friction’s DFC Brake Master Cylinder line is cataloged as a brake hydraulics replacement part for the specified BMW applications. Part number 355-31038 should be matched to the vehicle’s year, model, and production cutoff for accurate service selection.