Dynamite Friction 633-31044L 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 633-31044L) is engineered for BMW 525i, 528i, 530i, and 540i models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with BMW 525i, 528i, 530i, and 540i
• Part number 633-31044L
• Vented disc brake rotor with drilled and slotted surface
• Directional brake surface for optimized performance
• Rust resistant zinc black hat finish
• Nominal thickness: 20 mm; discard thickness: 18.4 mm
• Overall diameter: 298 mm; height: 61 mm
• 5 bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter

Detailed Product Features and Specifications

The DFC Brake Rotor - Drilled and Slotted - Black is part of Dynamite Friction's DFC line, which focuses on delivering rotors with enhanced heat management and durability. This rotor is vented to improve airflow and reduce brake fade during demanding driving conditions. The drilled and slotted surface design helps evacuate gases, dust, and water, maintaining consistent braking performance. The directional surface ensures proper rotation alignment for optimal wear and efficiency.

Constructed with a plain disc finish and a zinc black rust-resistant coating on the hat, this rotor offers corrosion protection to extend service life. The rotor measures 298 mm in outside diameter with a 61 mm overall height and a center hole diameter of 75 mm. It features five bolt holes, each 14.6 mm in diameter, arranged on a 120 mm bolt circle diameter, matching the BMW 5 Series specifications.

Applications and Problem Solving

• Replacement rotor for worn or warped brake discs on BMW 525i, 528i, 530i, and 540i
• Improves heat dissipation to reduce brake fade during heavy braking
• Helps maintain consistent braking performance in wet or dusty conditions
• Addresses rotor corrosion issues with rust-resistant coating
• Restores proper braking response and pedal feel

Installation Notes and Tips

Ensure the rotor is installed with the directional surface rotating correctly according to the vehicle’s forward motion. Verify bolt hole alignment and torque specifications per BMW manufacturer guidelines. Inspect brake pads for wear and replace if necessary to ensure optimal rotor performance. Clean the rotor surface before installation to remove any protective coatings or contaminants.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Black to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and vented design contribute to long-term durability. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to this rotor.