Dynamite Friction 830-31143R Disc Brake Rotor - Rear Right

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-31143R) is engineered for BMW X5 and X6 models. This vented disc brake rotor combines drilled and slotted surface features to enhance braking performance and heat dissipation under demanding conditions.

• Compatible with BMW X5 and X6 models
• Directional drilled and slotted surface for improved brake pad contact and cooling
• Vented rotor design to reduce heat buildup
• Rust resistant coating for extended durability
• Geospec silver grey hat finish for corrosion protection and aesthetics
• Nominal thickness of 20 mm with discard thickness at 18.4 mm
• 320 mm outside diameter and 78.8 mm overall height
• 5 bolt holes with 16.6 mm diameter and 120 mm bolt circle diameter

Detailed Product Features and Specifications

The 830-31143R rotor features a vented design that allows air to flow between the rotor surfaces, helping to dissipate heat more effectively during braking. The directional surface is both drilled and slotted, which aids in removing brake dust, gases, and water from the rotor surface, improving braking consistency and reducing the risk of brake fade. The rotor’s nominal thickness is 20 mm, with a discard thickness of 18.4 mm, ensuring a long service life before replacement is necessary.

The rotor’s hat is finished in Geospec silver grey, providing corrosion resistance and a clean appearance. Additionally, the entire rotor is coated with a rust-resistant layer to protect against environmental damage. The rotor measures 320 mm in outside diameter and 78.8 mm in overall height, designed specifically to meet the fitment requirements of BMW X5 and X6 vehicles. It includes 5 bolt holes with a diameter of 16.6 mm and a bolt circle diameter of 120 mm, matching OEM specifications.

About the DFC Geoperformance Rotor - Drilled and Slotted Line

The DFC Geoperformance Rotor - Drilled and Slotted product line by Dynamite Friction focuses on rotors that combine drilled holes and slots in a directional pattern. This design improves heat dissipation and brake pad cleaning, which is particularly beneficial for performance-oriented vehicles like the BMW X5 and X6. The vented rotor construction further enhances thermal management, making this line suitable for drivers seeking reliable braking under varied driving conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW X5 and X6
• Improves brake cooling to reduce fade during heavy braking
• Helps maintain consistent braking performance in wet or dusty conditions
• Addresses rotor corrosion issues with rust-resistant coating
• Restores proper rotor thickness and surface condition for safe braking

Installation Notes and Tips

Ensure the rotor thickness is measured before installation; replace if below the discard thickness of 18.4 mm. The rotor is directional, so install with the correct orientation to maintain optimal performance. Verify bolt hole alignment with the 5-lug, 120 mm bolt circle pattern on BMW X5 and X6 hubs. Clean the rotor surface of any protective coatings or oils before mounting brake pads to ensure proper bedding.

Quality Assurance and Warranty

Dynamite Friction manufactures the 830-31143R rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant coating and Geospec hat finish contribute to long-term durability. Warranty details are provided by Dynamite Friction and should be confirmed at the time of purchase.