Dynamite Friction 633-31062L Disc Brake Rotor - Front Left

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

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31062L) is engineered for BMW models including the 525i, 525xi, 528i, 528i xDrive, 528xi, 530i, 530xi, 535i xDrive, and 535xi. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with select BMW 5 Series models
• Directional, slotted and drilled rotor surface
• Vented rotor design for improved cooling
• Zinc black hat finish with rust-resistant coating
• Nominal thickness of 30 mm and discard thickness of 28.4 mm
• 5 bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter
• Overall diameter of 324 mm and height of 77.2 mm

Detailed Product Features and Specifications

The DFC Brake Rotor - Drilled and Slotted - Black is a vented disc brake rotor with a 324 mm outside diameter and an overall height of 77.2 mm. Its surface combines drilled holes and slots arranged directionally to aid in water, gas, and dust evacuation, which helps maintain consistent braking performance under various conditions. The rotor’s nominal thickness is 30 mm, with a discard thickness of 28.4 mm, ensuring durability and safety over its service life.

The rotor hat is finished in zinc black, providing corrosion resistance, complemented by an overall rust-resistant coating to extend the rotor’s lifespan. It features five bolt holes and stud/lug holes, each with a diameter of 14.6 mm, arranged on a 120 mm bolt circle diameter, matching the specifications required for the compatible BMW 5 Series models.

About the DFC Brake Rotor - Drilled and Slotted - Black Product Line

The DFC Brake Rotor - Drilled and Slotted - Black line from Dynamite Friction focuses on rotors that combine drilled and slotted surfaces with corrosion-resistant finishes. This product line is designed to provide enhanced heat dissipation and improved braking response, particularly suited for vehicles requiring reliable performance under demanding conditions. The black zinc finish on the rotor hat adds an extra layer of protection against rust, making it suitable for long-term use on BMW 5 Series vehicles.

Applications and Problem Solving

• Reduces brake fade caused by heat buildup during aggressive driving
• Improves water and debris evacuation for consistent braking in wet conditions
• Minimizes rotor warping through vented design and heat dissipation
• Prevents rust and corrosion with zinc black hat finish and rust-resistant coating
• Restores braking performance on BMW 525i, 528i, 530i, and 535i xDrive models

Installation Notes and Tips

• Ensure compatibility with BMW 5 Series models listed before installation
• Check rotor thickness and discard thickness to confirm replacement necessity
• Use proper torque specifications for the 5 bolt holes (14.6 mm diameter) on a 120 mm bolt circle
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding in new rotors

Quality Assurance and Warranty

Dynamite Friction manufactures the 633-31062L rotor to meet or exceed OEM specifications for fitment and performance on compatible BMW models. The rust-resistant coating and zinc black hat finish contribute to the rotor’s durability. Warranty details should be confirmed with the product documentation or supplier, as they may vary by region or distributor.