Dynamite Friction 830-31100D Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-31100D) is engineered for BMW models including the 535i, 550i, 650i, and 7 Series variants. Designed to enhance braking performance, this rotor features a directional, drilled and slotted surface for improved heat dissipation and consistent stopping power.

• Directional drilled and slotted disc surface
• Plain disc finish with Geospec silver grey hat finish
• Rust resistant coating for extended durability
• Outside diameter of 348 mm
• Discard thickness of 34.4 mm

Product Line Details: DFC Geoperformance Rotor - Drilled and Slotted

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on rotors that combine drilled holes and slots to optimize brake pad bite and heat management. This design helps reduce brake fade and maintain consistent braking performance under demanding conditions. The directional surface pattern is specifically engineered to channel gases and debris away from the contact area, which is beneficial for BMW vehicles such as the 535i GT xDrive and 650i Gran Coupe.

Technical Description and Features

This disc brake rotor is constructed with a plain disc finish and a Geospec silver grey hat finish, providing a balance between corrosion resistance and aesthetic appeal. The rotor’s rust resistant coating further protects against environmental wear, extending the rotor’s service life. With an outside diameter of 348 mm and a discard thickness of 34.4 mm, it meets the specifications required for precise fitment on compatible BMW models. The drilled and slotted surface is directional, designed to improve water and heat dispersion during braking.

Applications and Problem Solving

• Improves braking performance on BMW 535i, 550i, 650i, and 7 Series models
• Reduces brake fade during high-performance or extended driving
• Enhances heat dissipation to prevent rotor warping
• Minimizes rust and corrosion for longer rotor life
• Maintains consistent brake pad contact and bite

Installation Notes and Tips

Ensure the rotor is installed on compatible BMW models such as the 535i GT, 650i xDrive Gran Coupe, or 740Li xDrive. Verify the rotor’s directional pattern aligns with the wheel rotation direction for optimal performance. Inspect brake pads and calipers for wear or damage before installation. Proper torque specifications should be followed to avoid rotor distortion.

Quality Assurance

Dynamite Friction manufactures the 830-31100D rotor to meet OEM standards for fit and function. The rust resistant coating and precision machining contribute to reliable performance and durability. Warranty details should be confirmed with the product documentation or supplier.