Dynamite Friction 633-31143L Disc Brake Rotor - Rear Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31143L) is engineered for BMW X5 and X6 models. This vented disc brake rotor combines drilled and slotted surface features with a rust-resistant zinc black hat finish to support reliable braking performance.

• Compatible with BMW X5 and X6 vehicles
• Directional, vented disc brake rotor design
• Drilled and slotted surface for improved heat dissipation
• Zinc black rust-resistant coating on the hat
• Nominal thickness of 20 mm with discard thickness at 18.4 mm
• 320 mm outside diameter and 78.8 mm overall height
• 5 bolt holes with 16.6 mm diameter and 120 mm bolt circle diameter

Product Line Details: DFC Brake Rotor - Drilled and Slotted - Black

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors designed to enhance braking efficiency through improved heat management. The drilled and slotted surface pattern helps reduce brake fade by allowing gases and debris to escape, while the vented rotor design promotes airflow to maintain optimal operating temperatures. The zinc black finish on the rotor hat provides additional corrosion resistance, extending the rotor's service life in demanding conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 20 mm and a discard thickness of 18.4 mm, ensuring it meets safety standards for wear limits. The rotor's 320 mm outside diameter and 78.8 mm overall height are designed to match the OEM specifications for BMW X5 and X6 models. The rotor includes five bolt holes with a diameter of 16.6 mm arranged on a 120 mm bolt circle diameter, ensuring precise fitment. The directional surface type with drilled and slotted patterns improves braking response and helps maintain consistent performance under heavy braking conditions.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent braking performance in wet conditions
• Resists rust and corrosion for longer rotor life
• Compatible replacement for worn or damaged rotors on BMW X5 and X6

Installation Notes and Tips

Ensure the rotor is installed on compatible BMW X5 or X6 models matching the specified bolt pattern and dimensions. Verify the rotor thickness before installation to confirm it is above the discard thickness of 18.4 mm. Properly torque all lug nuts to manufacturer specifications to avoid rotor warping. It is recommended to inspect brake pads and other braking components during rotor replacement for optimal system performance.

Quality Assurance

Dynamite Friction manufactures the 633-31143L rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc black coating on the rotor hat enhances durability against corrosion. While no specific warranty information is provided, the rotor is designed for reliable performance and longevity when installed and maintained according to manufacturer guidelines.