Dynamite Friction 631-31113R Disc Brake Rotor - Rear Right

High-Performance Brake Rotor for BMW Models

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (Part Number 631-31113R) is engineered to provide reliable braking performance for a range of BMW vehicles. Designed specifically for models such as the 118i, 120i, 228i, and M240i, this rotor combines durability with enhanced heat dissipation.

• Compatible with BMW 118i, 120i, 228i, 230i, 320i, 328i, 428i, M135i, M140i, M235i, and M240i models
• Part Number: 631-31113R
• Drilled and slotted surface for improved cooling and brake pad bite
• Vented disc design to reduce heat buildup
• Zinc silver hat finish with rust-resistant coating
• Directional brake surface for optimized performance
• 5 bolt holes with 16.6 mm diameter and 120 mm bolt circle diameter
• Nominal thickness of 24 mm with discard thickness at 22.4 mm
• Outside diameter of 344 mm and overall height of 66.3 mm

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 balance performance and longevity. Featuring a drilled and slotted surface, these rotors are designed to enhance braking efficiency by improving heat dissipation and reducing brake fade. The zinc silver hat finish adds corrosion resistance, making them suitable for daily driving and spirited use on compatible BMW models.

Technical Specifications and Features

This disc brake rotor features a vented design that helps maintain optimal operating temperatures during braking. The drilled and slotted surface improves pad bite and assists in channeling away dust and gases generated during braking. The rotor’s nominal thickness is 24 mm, with a discard thickness of 22.4 mm, ensuring a clear maintenance threshold. The rotor’s 5-bolt pattern with 16.6 mm diameter holes and a 120 mm bolt circle diameter matches the factory specifications for the listed BMW models. The zinc silver hat finish provides rust resistance, extending the rotor’s service life.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or heavy braking
• Improves heat dissipation to prevent rotor warping
• Enhances braking response and pad bite with slotted and drilled surface
• Resists corrosion for longer service life in various weather conditions
• Restores braking performance on BMW 118i, 120i, 228i, and related models

Installation Notes and Tips

Ensure the rotor is installed on compatible BMW models listed in the fitment section. Verify the bolt hole pattern and rotor dimensions before installation. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Clean the rotor surface of any protective coatings or oils before installation to prevent brake noise or reduced friction.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant zinc silver hat finish adds durability against corrosion. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure consistent performance and reliability.