Dynamite Friction 631-31063L Disc Brake Rotor - Front Left

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31063L) is engineered for BMW models including the 535i, 545i, 550i, 645Ci, and 650i. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Nominal thickness: 30 mm with a discard thickness of 28.4 mm
• Vented rotor design for improved cooling
• Directional slotted and drilled surface for debris removal and heat management
• Rust-resistant zinc silver hat finish
• 5 bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter
• Overall diameter of 348 mm and height of 77.1 mm
• Plain disc finish with zinc silver coated hat for corrosion resistance

Detailed Product Description

The DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is specifically designed to meet the braking demands of select BMW vehicles such as the 535i, 545i, 550i, 645Ci, and 650i. This rotor features a vented design that promotes efficient heat dissipation during braking, reducing the risk of brake fade under heavy use. The directional slotted and drilled surface helps to evacuate gases, dust, and water, maintaining consistent brake pad contact and improving overall stopping power.

Constructed with a plain disc finish and a zinc silver coated hat, this rotor offers enhanced resistance to rust and corrosion, extending the service life of the component. The rotor’s dimensions, including a 348 mm outside diameter and 77.1 mm height, are engineered to fit precisely with the specified BMW models. The 5-bolt hole pattern with a 120 mm bolt circle diameter ensures secure mounting and compatibility.

DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve braking efficiency and rotor cooling. This product line is designed for drivers who require reliable performance and durability in demanding driving conditions. The silver zinc coating on the rotor hat provides additional protection against corrosion, making it suitable for various climates and road conditions.

Common Applications and Problem Solving

• Reduces brake fade during high-performance or heavy braking scenarios
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent braking performance in wet or dusty conditions
• Minimizes rust and corrosion on the rotor hat for longer service life
• Ensures proper fitment and secure mounting on BMW 535i, 545i, 550i, 645Ci, and 650i models

Installation Notes and Tips

• Verify compatibility with your BMW model and part number 631-31063L before installation
• Inspect brake pads and other braking components for wear during rotor replacement
• Ensure proper torque specifications on the 5 lug bolts with 14.6 mm diameter
• Clean rotor surface before installation to remove any protective coatings or residues
• Follow manufacturer guidelines for bedding in new rotors and pads

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver to meet industry standards for durability and performance. The rotor includes a rust-resistant coating on the hat to extend its lifespan. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to this part number 631-31063L.