Dynamic Friction 355-31049 Brake Master Cylinder

Brake Master Cylinder Overview

The Dynamic Friction DFC Brake Master Cylinder, part number 355-31049, is a hydraulic brake component for specific BMW 3 Series applications with Dynamic Stability Control. It is built for direct replacement use where the original master cylinder has worn, leaked, or lost pedal consistency.

Compatible With 2001 BMW 330Ci, 330i, and 330xi applications noted for DSC and the listed production cutoff. This part number 355-31049 is identified for these BMW brake hydraulic applications and should be matched carefully to the vehicle notes before ordering.

Key Features

• Brake master cylinder for hydraulic brake system service
• Application-specific fitment for BMW models with DSC
• Direct replacement format for the listed vehicle configurations
• Part number 355-31049 for accurate catalog matching

Detailed Description

The DFC Brake Master Cylinder is a brake hydraulics replacement component from Dynamic Friction, engineered for the listed 2001 BMW 3 Series applications. It serves as the primary pressure source in the brake system, converting pedal force into hydraulic pressure for the brake circuits. Use this part when the original cylinder shows internal bypass, external fluid leakage, or inconsistent pedal response. The fitment notes are important here: 330Ci and 330i applications are listed with a production cutoff to 9/00, while the 330xi application is listed with Dynamic Stability Control. Verify the vehicle build details against the catalog notes before installation. Part number 355-31049 is the reference to use when confirming the correct BMW brake master cylinder.

Common Issues It May Solve

• Soft or sinking brake pedal
• Brake fluid leakage at the master cylinder
• Uneven or inconsistent hydraulic pressure
• Loss of braking response from internal seal wear

Installation Notes and Tips

Confirm the vehicle build date, DSC equipment, and catalog notes before installation. Brake hydraulic components require careful system bleeding after replacement, and the brake system should be inspected for fluid contamination or related wear before returning the vehicle to service. Match the part number 355-31049 to the application details to avoid fitment errors.