Dynamite Friction 4502-31077 Disc Brake Kit - Rear

Rear Brake Kit for BMW 318i, 325i, and 325is

Restore rear braking performance with the Dynamite Friction DFC GEOSPEC Rotors with 5000 Advanced Brake Pads kit, part number 4502-31077. This rear disc brake kit combines coated rotors and advanced friction pads for BMW applications from 1984-1991, including select BMW 318i, 318is, 325i, 325is, 325iX, 325e, and 325es models.

Key Features

• Rear disc brake kit with DFC GEOSPEC coated rotors and 5000 Advanced Brake Pads
• Dry-processed rotors arrive ready to install, with no oil coating to clean off
• Silver-gray rotor coating helps resist rust better than conventional paint or zinc finishes
• G3000/G11H18 cast iron rotor construction for OE-style durability and stability
• Non-directional rotor finish supports even pad bed-in and smoother braking
• 100% inspected rotors, including balance checks on vented designs
• Post-cured and scorched brake pads for stable friction and reduced initial break-in
• Premium rubber-steel-rubber shims help improve noise, vibration, and harshness control

Product Details

The DFC GEOSPEC Rotors with 5000 Advanced Brake Pads line is built as a complete brake service solution for drivers who want matched rotor and pad components in one package. The rotor coating is designed to protect the metal surface during storage and installation, while the pad formulation is prepared for consistent friction performance from the first stop. For BMW rear brake service, this kit supports a cleaner installation process and OE-style braking feel.

Part number 4502-31077 is a strong match for rear brake replacement on 1984-1991 BMW 325e, 1986-1987 BMW 325es, 1987-1991 BMW 325i, 1987-1991 BMW 325is, and 1991 BMW 318i, 318is, and 325iX rear applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Brake Issues This Kit Addresses

• Rear brake noise during stopping
• Rust buildup on exposed rotor surfaces
• Uneven pad bedding after brake service
• Reduced braking consistency from worn rotors and pads
• Brake vibration caused by rotor wear or imbalance

Installation Notes

Compatible With rear brake service on BMW models listed above. Verify caliper type and vehicle production date where noted, especially for 1991 BMW 318i and 318is production through 4/91 and 1987-1991 BMW 325i, 325is, and 1991 BMW 325iX applications with ATE or Girling calipers. Clean installation surfaces before assembly and follow standard brake bedding procedures after installation.

Quality Assurance

DFC machines each rotor to tight tolerances, applies a non-directional finish, and inspects critical dimensions before release. The rotors include a 12-month warranty against defects in material and workmanship.