Dynamite Friction 900-31148 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for BMW X5 and X6

The Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor (part number 900-31148) is engineered to meet the braking demands of BMW X5 and X6 models. Designed with precision, this vented disc brake rotor offers consistent performance and durability for your vehicle's braking system.

• Nominal thickness: 24 mm
• Discard thickness: 22.4 mm
• Outside diameter: 385 mm
• Inside diameter: 75 mm
• Bolt hole diameter: 16.6 mm
• Bolt hole quantity: 5
• Height: 78.7 mm
• Vented rotor design for improved heat dissipation

About the DFC Hi-Carbon Alloy GEOMET Coated Rotor Line

The DFC Hi-Carbon Alloy GEOMET Coated Rotor line from Dynamite Friction features rotors manufactured with a high-carbon alloy for enhanced wear resistance and thermal stability. The GEOMET coating provides corrosion protection, extending rotor life and maintaining braking efficiency. This product line is designed to deliver reliable stopping power while reducing the risk of rotor warping under demanding conditions.

Technical Details and Specifications

This disc brake rotor is vented, allowing for better heat dissipation during braking, which helps maintain consistent performance and reduces brake fade. The rotor measures 385 mm in outside diameter and 78.7 mm in height, with a nominal thickness of 24 mm and a discard thickness of 22.4 mm, ensuring it meets OEM specifications for the BMW X5 and X6. The 5-bolt hole pattern with a diameter of 16.6 mm and an inside diameter of 75 mm ensures proper fitment and secure mounting.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW X5 and X6 models
• Improves braking consistency and reduces brake fade
• Addresses rotor corrosion and surface degradation
• Restores proper rotor thickness for safe braking performance
• Enhances heat dissipation to prevent overheating during heavy use

Installation Notes and Tips

Ensure the rotor is compatible with your specific BMW X5 or X6 model year before installation. Clean the hub surface thoroughly to prevent uneven rotor mounting. Use proper torque specifications for the 5-bolt pattern to secure the rotor. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.

Quality Assurance

Dynamite Friction rotors undergo rigorous quality control to meet industry standards. The DFC Hi-Carbon Alloy GEOMET Coated Rotor is designed for durability and consistent performance. Please refer to the manufacturer’s warranty information for coverage details.