Dynamite Friction 4002-31001 Disc Brake Rotor Set - Front

Front Brake Rotor Set for BMW E30 Applications

The Dynamite Friction DFC Brake Rotors - GEOSPEC Coated front disc brake rotor set is built for select BMW 3 Series models that use front disc brakes. Part number 4002-31001 covers multiple 1984-1991 BMW applications, including BMW 325i front rotor replacement needs with ATE or Girling calipers.

Key Features

• Front disc brake rotor set for select BMW 318i, 318is, 325e, 325es, 325i, 325is, and 325iX models
• GEOSPEC coated finish for added corrosion resistance on exposed rotor surfaces
• Direct-fit replacement for front brake service on supported BMW E30 chassis applications
• Part number 4002-31001 for catalog and fitment lookup
• Fits vehicles with specified caliper configurations, including ATE and Girling calipers where listed

Product Details

DFC Brake Rotors - GEOSPEC Coated is the product line name for this rotor set from Dynamite Friction. It identifies a coated rotor finish intended for front brake service on older BMW platforms where rotor corrosion and brake maintenance are common concerns. This part number 4002-31001 is listed for 1991 BMW 318i and 318is models built to 4/91, plus 1984-1991 BMW 325e, 325es, 325i, 325is, and 325iX front applications with the caliper notes shown in the fitment data.

Compatible With BMW 325i front rotor replacement, BMW 325is front brake service, and BMW 325iX front disc brake maintenance, this rotor set is cataloged for exact vehicle and caliper combinations rather than a universal fit.

Common Problems This Part Can Address

• Front brake rotor wear from normal pad contact and mileage
• Rotor surface corrosion on stored or weather-exposed vehicles
• Brake pulsation caused by uneven rotor condition
• Reduced braking consistency from worn front rotors
• Need for a direct replacement during front brake service

Installation Notes and Tips

Verify the vehicle production date and caliper type before ordering. This listing includes 1991 BMW 318i and 318is models built to 4/91, and 1984-1991 BMW 325-series applications with ATE or Girling calipers as noted. Confirm rotor position is front only, and compare the existing rotor dimensions and brake hardware setup before installation.

Quality Assurance

Use the part number 4002-31001 and the vehicle fitment notes to confirm the correct front rotor set for your BMW application before installation.