Dynamite Friction 604-31053 Disc Brake Rotor - Rear

Overview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-31053

The Dynamite Friction DFC GEOSPEC Coated Rotor 604-31053 is engineered for reliable braking performance on select BMW models. Designed specifically for BMW 330Ci, 330i, and 330xi vehicles, this vented disc brake rotor offers precise fitment and consistent durability.

• Nominal thickness: 21.8 mm
• Discard thickness: 20.4 mm
• Outside diameter: 320 mm
• Inside diameter: 75 mm
• Bolt hole diameter: 14.6 mm
• Bolt hole quantity: 5
• Height: 60.5 mm
• Vented rotor design for improved heat dissipation

DFC GEOSPEC Coated Rotor Product Line Details

The DFC GEOSPEC Coated Rotor line by Dynamite Friction focuses on rotors with a protective coating to resist corrosion and extend service life. This coating helps maintain rotor integrity under various driving conditions, making it suitable for BMW 330Ci, 330i, and 330xi models that require reliable braking components matched to factory specifications.

Technical Description and Specifications

This disc brake rotor features a vented design with an outside diameter of 320 mm and an inside diameter of 75 mm, optimized for heat dissipation during braking. The nominal thickness of 21.8 mm ensures structural strength, while the discard thickness of 20.4 mm indicates the minimum safe thickness before replacement is necessary. The rotor includes five bolt holes with a diameter of 14.6 mm, compatible with the bolt pattern of the specified BMW models. The rotor height measures 60.5 mm, ensuring proper alignment and fitment within the brake assembly.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 330Ci, 330i, and 330xi
• Addresses brake fade caused by overheating through vented rotor design
• Prevents corrosion-related rotor damage with protective coating
• Restores braking performance and pedal feel
• Ensures compatibility with factory bolt pattern and dimensions

Installation Notes and Tips

When installing the Dynamite Friction DFC GEOSPEC Coated Rotor 604-31053, verify rotor thickness before and after installation to ensure it meets minimum discard thickness of 20.4 mm. Properly torque the five bolts to manufacturer specifications to maintain secure fitment. The vented design requires clearance within the brake caliper assembly, so confirm compatibility with your BMW 330Ci, 330i, or 330xi model year and trim. Avoid contamination of the rotor surface with grease or oil during installation to maintain optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC GEOSPEC Coated Rotor 604-31053 to meet OEM standards for fit, form, and function. The protective coating enhances corrosion resistance, contributing to longer rotor life. Warranty details are provided by Dynamite Friction and typically cover defects in materials and workmanship under normal use conditions. Consult product documentation or manufacturer resources for specific warranty terms.