Dynamite Friction 631-31148R Disc Brake Rotor - Rear Right

Reliable Brake Performance for BMW X5 and X6

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (Part Number 631-31148R) is engineered to provide consistent braking performance for BMW X5 and X6 models. Designed with precision, this vented disc brake rotor offers enhanced heat dissipation and improved stopping power under demanding conditions.

• Disc Type: Vented, drilled and slotted surface for optimal heat management
• Nominal Thickness: 24 mm with a discard thickness of 22.4 mm
• Overall Diameter: 385 mm with a height of 78.7 mm
• Bolt Pattern: 5 lug holes with 16.6 mm diameter and 120 mm bolt circle diameter
• Rust Resistant Zinc Silver Hat Finish with plain disc finish
• Directional brake surface design for improved braking efficiency

About the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on delivering rotors that combine drilled and slotted surface technology with corrosion-resistant coatings. This product line is designed to maintain rotor integrity and performance over time, especially for vehicles like the BMW X5 and X6 that demand reliable braking under varied driving conditions.

Technical Details and Features

This disc brake rotor features a vented design that helps dissipate heat more effectively than solid rotors, reducing the risk of brake fade during extended use. The drilled and slotted surface improves water and debris evacuation, enhancing braking response in wet or dusty environments. The rotor’s zinc silver hat finish provides rust resistance, extending the rotor’s service life. With a 5-lug bolt pattern and a 120 mm bolt circle diameter, this rotor is specifically compatible with BMW X5 and X6 models requiring these specifications.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW X5 and X6
• Improves braking performance in wet or high-heat conditions
• Reduces brake fade during heavy or repeated braking
• Helps prevent rust and corrosion on rotor surfaces
• Maintains consistent braking feel with directional rotor design

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 22.4 mm before installation. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Verify bolt hole alignment with the 5-lug, 120 mm bolt circle pattern on your BMW X5 or X6. Proper torque specifications should be followed to avoid rotor warping or uneven wear.

Quality Assurance

Dynamite Friction manufactures this rotor to meet OEM specifications for fit and function. The rust-resistant coating and vented design contribute to durability and consistent braking performance. Please refer to Dynamite Friction’s warranty policy for coverage details related to manufacturing defects.