Dynamite Friction 644-31197D Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC GEOSPEC Coated Rotor

The Dynamite Friction DFC GEOSPEC Coated Rotor - Dimpled and Slotted (part number 644-31197D) is engineered for precision braking performance. Designed specifically for select BMW models, this disc brake rotor offers enhanced heat dissipation and consistent stopping power.

• Plain disc finish for reliable surface integrity
• 345 mm outside diameter optimized for BMW 430i, 430i xDrive, M340i, M340i xDrive, M440i, and M440i xDrive
• Directional slotted and dimpled surface to improve brake pad contact and reduce brake fade
• Directional brake surface designed to channel gases and debris away from the rotor

Product Line Details: DFC GEOSPEC Coated Rotor - Dimpled and Slotted

The DFC GEOSPEC Coated Rotor - Dimpled and Slotted line by Dynamite Friction focuses on rotors with specialized surface treatments to enhance braking efficiency. The dimpled and slotted design helps maintain clean pad surfaces and improves heat dissipation, which is critical for maintaining consistent brake performance under demanding conditions. This product line is tailored for drivers seeking rotors that balance durability with improved braking response.

Detailed Product Description

This disc brake rotor features a plain finish with a 345 mm outside diameter, making it compatible with various BMW models including the 430i and M340i series with or without xDrive. The directional slotted and dimpled surface type is engineered to optimize pad bite and reduce the buildup of brake dust and gases. The directional design ensures that the rotor channels heat and debris away from the braking surface, contributing to longer rotor life and improved braking consistency.

Applications and Problem Solving

• Reduces brake fade during high-performance or extended braking
• Improves pad cleaning to prevent glazing and uneven wear
• Enhances heat dissipation to maintain braking efficiency
• Minimizes brake dust accumulation on rotor surface
• Provides consistent braking feel for BMW 430i and M340i models

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented according to the vehicle’s rotation direction for optimal performance. Verify compatibility with your specific BMW model and xDrive configuration before installation. It is recommended to inspect brake pads and hardware during rotor replacement to maintain overall braking system integrity.

Quality Assurance

Dynamite Friction rotors, including part number 644-31197D, are manufactured to meet OEM specifications for fit and function. While no specific warranty information is provided, these rotors undergo quality control processes to ensure durability and performance on compatible BMW vehicles.