Dynamite Friction 624-31188D Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC GEOSPEC Coated Rotor - Drilled

The Dynamite Friction DFC GEOSPEC Coated Rotor - Drilled (part number 624-31188D) is engineered for BMW X3 and X4 models requiring reliable braking performance. This disc brake rotor features a directional, X-drilled surface designed to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with BMW X3 and X4 models
• Directional X-drilled disc surface for improved cooling
• Geospec silver grey hat finish with rust-resistant coating
• Plain disc finish with 370 mm outside diameter
• Minimum discard thickness of 22.4 mm for safety compliance

Product Line Details: DFC GEOSPEC Coated Rotor - Drilled

The DFC GEOSPEC Coated Rotor - Drilled line by Dynamite Friction focuses on rotors with specialized coatings and drilled surfaces to optimize braking efficiency and rotor longevity. The Geospec silver grey hat finish provides corrosion resistance, while the drilled design aids in heat management. This product line is tailored for drivers seeking rotors that balance durability with performance, specifically for vehicles like the BMW X3 and X4.

Technical Description and Features

This disc brake rotor (part number 624-31188D) features a 370 mm outside diameter and a plain disc finish that supports consistent brake pad contact. The directional X-drilled surface pattern is engineered to channel heat and gases away from the rotor surface, reducing brake fade during extended use. The rotor’s hat is finished in Geospec silver grey and treated with a rust-resistant coating to protect against corrosion and extend service life. The minimum discard thickness is 22.4 mm, ensuring the rotor maintains structural integrity and braking performance throughout its lifespan.

Applications and Problem Solving

• Replacement rotor for worn or warped discs on BMW X3 and X4
• Improves heat dissipation to reduce brake fade during heavy braking
• Rust-resistant coating helps prevent corrosion in humid or wet environments
• Directional drilled design assists in maintaining consistent braking under load
• Restores braking performance compromised by rotor surface damage or thickness wear

Installation Notes and Tips

When installing the Dynamite Friction 624-31188D rotor, ensure the directional drilled pattern is oriented correctly according to the vehicle’s rotation direction. Verify the rotor thickness meets or exceeds the minimum discard thickness of 22.4 mm before installation. It is recommended to inspect brake pads and hardware during rotor replacement to maintain optimal braking system performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC GEOSPEC Coated Rotor - Drilled to meet OEM specifications for fitment and performance on BMW X3 and X4 models. The rust-resistant coating and precision machining contribute to consistent braking and rotor durability. Warranty details are provided by Dynamite Friction and should be confirmed at the time of purchase.