Dynamite Friction 631-31095R Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31095R) is engineered for BMW models including the 550i GT, 550i GT xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, and 760Li. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with select BMW 5 Series and 7 Series models
• Vented disc design for improved cooling
• Directional slotted and drilled surface for consistent brake pad contact
• Rust-resistant zinc silver hat finish
• Nominal thickness of 23.8 mm with discard thickness at 22.4 mm
• 5 bolt holes with 16.6 mm diameter and 120 mm bolt circle diameter
• Overall diameter of 370 mm and height of 69 mm

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and precision slots to improve water and gas evacuation during braking. This design helps maintain consistent braking performance under demanding conditions. The silver zinc coating on the rotor hat provides corrosion resistance, extending the rotor's service life on BMW vehicles such as the 550i GT and 750Li xDrive.

Technical Specifications and Features

This disc brake rotor is vented to allow air flow between the rotor surfaces, reducing heat buildup during braking. The rotor's directional surface pattern, featuring both drilled holes and slots, aids in debris removal and enhances pad bite. The rotor measures 370 mm in outside diameter with a 75 mm center hole diameter, ensuring proper fitment on compatible BMW models. The zinc silver hat finish offers rust resistance, while the plain disc finish maintains a clean braking surface. The rotor includes five bolt holes with a 16.6 mm diameter and a 120 mm bolt circle diameter, matching the stud/lug hole pattern of the specified BMW vehicles.

Applications and Problem Solving

• Improves braking performance on BMW 550i GT and 750Li xDrive models
• Reduces brake fade caused by heat buildup during aggressive driving
• Helps prevent rotor warping and uneven pad wear
• Enhances water and debris evacuation for consistent braking in wet conditions
• Protects against rust and corrosion with zinc silver coating

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 22.4 mm before installation. The rotor is designed for vehicles with a 5-lug bolt pattern and 120 mm bolt circle diameter. Proper torque specifications should be followed when mounting the rotor to avoid warping. It is recommended to inspect brake pads and hardware during installation to maintain optimal braking system performance.

Quality Assurance

Dynamite Friction manufactures the 631-31095R rotor to meet OEM specifications for fit and function on BMW 550i GT and 750Li xDrive models. The rust-resistant zinc silver coating and vented rotor design contribute to durability and consistent braking performance. Warranty information is not specified for this product.