Dynamite Friction 654-31189D Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC GEOSPEC Coated Rotor - Dimpled

The Dynamite Friction DFC GEOSPEC Coated Rotor - Dimpled (part number 654-31189D) is engineered for precision braking performance on select BMW models. Designed with a directional dimpled surface and rust-resistant coating, this disc brake rotor supports consistent stopping power and durability.

• Compatible with BMW 840i, 840i Gran Coupe, 840i xDrive, 840i xDrive Gran Coupe, M850i xDrive, M850i xDrive Gran Coupe, and X5 models
• Directional dimpled surface for improved heat dissipation and brake pad contact
• Geospec silver grey hat finish for corrosion resistance and aesthetic appeal
• Plain disc finish with rust-resistant coating to extend rotor life
• Outside diameter of 398 mm and discard thickness of 26.4 mm for precise fitment

Detailed Product Features and Specifications

This Dynamite Friction disc brake rotor features a dimpled surface type that enhances braking efficiency by promoting better heat dissipation and reducing brake fade during demanding driving conditions. The directional brake surface ensures optimal pad engagement and consistent braking performance. The rotor's hat is finished in Geospec silver grey, providing a protective layer against corrosion while maintaining a clean appearance. The plain disc finish combined with a rust-resistant coating further protects the rotor from environmental wear. With an outside diameter of 398 mm and a discard thickness of 26.4 mm, this rotor meets exacting standards for fitment and safety on compatible BMW vehicles.

About the DFC GEOSPEC Coated Rotor - Dimpled Product Line

The DFC GEOSPEC Coated Rotor - Dimpled line by Dynamite Friction focuses on rotors that combine advanced surface treatments with functional design elements like dimpling and directional patterns. These rotors are engineered to provide reliable braking performance while resisting corrosion and wear. This product line is tailored for drivers seeking rotors that maintain consistent braking under various conditions, particularly for high-performance BMW models.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 840i and M850i xDrive models
• Improves braking consistency by reducing heat buildup and brake fade
• Addresses rotor corrosion issues with rust-resistant coating and Geospec hat finish
• Restores proper brake pad contact with directional dimpled surface
• Ensures safety by meeting discard thickness specifications

Installation Notes and Tips

When installing the Dynamite Friction 654-31189D rotor, ensure the rotor is mounted with the directional dimpled surface facing the correct direction as indicated by the vehicle manufacturer. Verify that the rotor thickness is above the discard thickness of 26.4 mm before installation. Clean the rotor surface to remove any protective oils or residues prior to mounting. Proper torque specifications should be followed to avoid rotor warping or uneven wear.

Quality Assurance and Warranty

Dynamite Friction rotors undergo rigorous quality control to meet OEM standards for fitment and performance. The 654-31189D rotor includes a rust-resistant coating and durable finishes to extend service life. Warranty details should be confirmed with the manufacturer or authorized distributor to ensure coverage terms.