Dynamite Friction 633-31108L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31108L) is engineered for precision braking performance on select BMW models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 30 mm with discard thickness at 28.4 mm
• Overall diameter: 340 mm, height: 73.6 mm
• Hat finish: Zinc black coating for corrosion resistance
• Rust resistant coating applied for extended durability
• Bolt hole quantity: 5 with 16.6 mm diameter, bolt circle diameter: 120 mm
• Directional brake surface optimized for performance

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Black from Dynamite Friction features a vented design that improves airflow to reduce heat buildup during braking. The rotor’s surface is both drilled and slotted, which helps evacuate gases, dust, and water, maintaining consistent brake pad contact and reducing brake fade. The zinc black hat finish and rust resistant coating protect the rotor from corrosion, extending its service life. With a nominal thickness of 30 mm and a discard thickness of 28.4 mm, this rotor meets strict durability standards. The 5-bolt pattern with a 120 mm bolt circle diameter ensures compatibility with a range of BMW vehicles.

DFC Brake Rotor - Drilled and Slotted - Black Product Line

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction is designed to provide enhanced braking performance through improved heat dissipation and surface friction. This product line focuses on rotors that combine drilled holes and slots with corrosion-resistant finishes, making them suitable for drivers seeking reliable stopping power and rotor longevity on performance-oriented vehicles like BMW models.

Compatible BMW Models and Applications

• Compatible with BMW 1 Series models including 118i, 120i, M135i, and M140i
• Fits BMW 2 Series models such as 228i, 230i, M235i, and M240i with xDrive variants
• Suitable for BMW 3 Series including 320i, 328i, 330i, 335i, 340i, and ActiveHybrid 3
• Works with BMW 4 Series models like 428i, 430i, 435i, and 440i including Gran Coupe and xDrive versions

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat during aggressive driving
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust buildup reducing rotor lifespan
• Reduced braking efficiency in wet conditions
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

Ensure the rotor is installed on compatible BMW models listed above. Verify bolt hole alignment with the 5-bolt, 120 mm bolt circle pattern. Clean the rotor surface before installation to remove any protective coatings or residues. Use proper torque specifications for lug nuts to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the 633-31108L rotor to meet OEM standards for fit and function. The rust resistant coating and zinc black hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically adhere to industry quality controls to ensure reliable performance on BMW vehicles.