Dynamite Friction 604-31105 Disc Brake Rotor - Front

Overview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-31105

The Dynamite Friction DFC GEOSPEC Coated Rotor 604-31105 is engineered for precise braking performance on BMW Z4 models. This vented disc brake rotor is designed to meet the specific requirements of your vehicle, ensuring reliable stopping power and durability.

• Nominal thickness: 30 mm
• Discard thickness: 28.4 mm
• Outside diameter: 348 mm
• Inside diameter: 79 mm
• Bolt hole diameter: 14.6 mm
• Bolt hole quantity: 5
• Height: 73.1 mm
• Vented rotor design for improved heat dissipation

Details on the DFC GEOSPEC Coated Rotor Product Line

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 Z4 owners seeking a balance between performance and longevity. The vented design further aids in heat management during braking.

Technical Description of the 604-31105 Rotor

This disc brake rotor features a nominal thickness of 30 mm and a discard thickness of 28.4 mm, indicating the minimum thickness before replacement is necessary. The rotor’s 348 mm outside diameter and 79 mm inside diameter are tailored for the BMW Z4’s braking system. With five bolt holes each measuring 14.6 mm in diameter, the rotor ensures secure mounting. The vented rotor type enhances cooling by allowing air to flow between the rotor surfaces, reducing the risk of brake fade during extended use.

Compatible Applications and Common Issues Addressed

• Compatible with BMW Z4 models requiring a 348 mm vented disc brake rotor
• Replaces worn or warped rotors causing brake pulsation
• Addresses rotor corrosion and surface rust issues
• Improves heat dissipation to reduce brake fade
• Restores proper brake pad contact and stopping power

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (28.4 mm) before installation
• Clean mounting surface to prevent uneven rotor seating
• Torque bolts to manufacturer specifications for secure fitment
• Inspect brake pads for wear and replace if necessary during rotor installation
• Perform a brake system test after installation to verify proper operation

Quality Assurance and Warranty Information

Dynamite Friction rotors, including the DFC GEOSPEC Coated Rotor 604-31105, are manufactured to meet OEM standards for fit and function. The protective coating helps resist corrosion, contributing to longer rotor life. Warranty details should be confirmed with the point of purchase or manufacturer documentation.