Dynamite Friction 633-31082R Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31082R) is engineered for BMW vehicles including the 325i, 335d, 335i, 335is, 335i xDrive, 335xi, and X1 models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with BMW 325i, 335d, 335i, 335is, 335i xDrive, 335xi, and X1
• Part number: 633-31082R
• Vented rotor with drilled and slotted surface
• Directional brake surface for optimized performance
• Rust resistant zinc black hat finish
• Nominal thickness: 30 mm; discard thickness: 28.4 mm
• Outside diameter: 348 mm; overall height: 73.3 mm
• 5 bolt holes with 14.6 mm diameter and 120 mm bolt circle diameter

DFC Brake Rotor - Drilled and Slotted - Black Product Line

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction offers rotors with enhanced surface designs combining drilled holes and slots. This configuration improves heat dissipation and helps reduce brake fade under demanding conditions. The zinc black hat finish provides corrosion resistance, extending rotor life. This product line is tailored for drivers seeking reliable braking components compatible with specific BMW models.

Technical Specifications and Features

This disc brake rotor is vented to allow better airflow and cooling during braking. The directional surface type, featuring both drilled holes and slots, aids in removing brake dust and gases, improving pad contact and braking consistency. The rotor’s nominal thickness is 30 mm, with a discard thickness of 28.4 mm, ensuring safe replacement intervals. The rotor measures 348 mm in outside diameter and 73.3 mm in overall height, fitting precisely on the specified BMW models. The zinc black coating on the hat area provides rust resistance, maintaining structural integrity over time.

Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves heat dissipation to prevent rotor warping
• Enhances braking performance on BMW 3 Series and X1 models
• Resists corrosion for longer service life
• Maintains consistent braking feel with directional slotted and drilled design

Installation Notes and Tips

• Ensure compatibility with BMW 325i, 335d, 335i, 335is, 335i xDrive, 335xi, and X1 before installation
• Check rotor thickness before installation; replace if below discard thickness of 28.4 mm
• Use proper torque specifications for the 5 bolt holes (14.6 mm diameter, 120 mm bolt circle)
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors

Quality Assurance

Dynamite Friction manufactures the 633-31082R rotor to meet OEM standards for fitment and performance. The rust resistant coating and vented design contribute to durability and consistent braking. While specific warranty details are not provided, this rotor is designed to maintain structural integrity and braking efficiency under normal operating conditions.