Dynamite Friction 631-31135R Disc Brake Rotor - Front Right

Overview of the DFC Brake Rotor for BMW X5

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31135R) is engineered specifically for BMW X5 models. This vented disc brake rotor combines drilled and slotted surface features to enhance braking performance and heat dissipation under demanding conditions.

• Compatible with BMW X5 vehicles
• Part Number: 631-31135R
• Drilled and slotted directional surface for improved brake pad contact
• Vented rotor design for efficient heat dissipation
• Rust resistant zinc silver hat finish
• Nominal thickness of 30 mm with discard thickness at 28.4 mm
• 5 bolt holes with 16.6 mm diameter and 120 mm bolt circle diameter
• Overall diameter of 332 mm and height of 62.1 mm

Details on the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction is designed to provide reliable braking performance with enhanced cooling capabilities. The drilled and slotted surface pattern helps reduce brake fade by allowing gases and debris to escape, while the vented rotor construction improves airflow to maintain optimal operating temperatures. The zinc silver coating on the rotor hat offers corrosion resistance, extending the rotor's service life in various driving conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 30 mm and a discard thickness of 28.4 mm, ensuring it meets safety standards for wear limits. The rotor's outside diameter measures 332 mm, with an overall height of 62.1 mm. It includes five bolt holes, each with a diameter of 16.6 mm, arranged on a 120 mm bolt circle diameter, matching the BMW X5's factory specifications. The rotor's center hole diameter is 75 mm, and the surface type is directional, combining drilled holes and slots to optimize braking efficiency and pad cleaning.

Applications and Problem Solving

• Replacement rotor for worn or warped BMW X5 brake rotors
• Improves heat dissipation to reduce brake fade during heavy braking
• Helps maintain consistent braking performance in wet or dusty conditions
• Addresses rotor corrosion issues with rust-resistant coating
• Enhances brake pad bite and reduces noise through slotted and drilled design

Installation Notes and Tips

When installing the Dynamite Friction 631-31135R rotor on a BMW X5, ensure the rotor surface is clean and free of any protective coatings before mounting. Use proper torque specifications for the 5 lug bolts (16.6 mm diameter) on the 120 mm bolt circle diameter. It is recommended to replace brake pads simultaneously to ensure optimal contact and performance. Verify the directional rotor orientation matches the vehicle's rotation direction for correct installation.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver line to meet or exceed OEM standards for fit and function. The rotor includes a rust-resistant zinc silver coating to extend durability. While specific warranty details are not provided, Dynamite Friction products typically come with manufacturer-backed quality assurance to support reliable performance on BMW X5 vehicles.