Dynamite Friction 633-31157L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-31157L) is engineered for reliable braking performance on select BMW and Mini models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the BMW 220i and Mini Cooper Countryman.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Outside diameter: 330 mm for optimal fit and performance
• Nominal thickness: 24 mm with discard thickness at 22.4 mm
• Hat finish: Zinc black coating for corrosion resistance
• Rust resistant coating applied to extend rotor life
• Bolt hole quantity: 5 with 16.6 mm diameter and 112 mm bolt circle diameter
• Directional brake surface designed for improved water and debris evacuation
• Center hole diameter: 67 mm, compatible with specified BMW and Mini models

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Black from Dynamite Friction features a vented design that promotes efficient heat dissipation during braking, reducing the risk of brake fade. The rotor’s surface is both drilled and slotted, which helps to maintain clean pad contact by channeling away dust, gases, and moisture. The zinc black hat finish combined with a rust resistant coating protects the rotor from corrosion, ensuring durability in various driving conditions.

With a nominal thickness of 24 mm and a discard thickness of 22.4 mm, this rotor maintains structural integrity throughout its service life. The 5-bolt hole pattern with a 112 mm bolt circle diameter and 16.6 mm bolt hole diameter ensures precise fitment on compatible vehicles. The directional surface design is optimized for vehicles such as the BMW 228i Gran Coupe and Mini X2, providing consistent braking performance.

DFC Brake Rotor Product Line Information

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine enhanced cooling features with corrosion resistance. This product line is tailored for drivers seeking rotors that maintain braking efficiency under demanding conditions, particularly for BMW and Mini models. The drilled and slotted design improves pad bite and helps reduce brake fade, while the black zinc finish offers added protection against rust.

Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves braking response in wet or humid conditions
• Minimizes rotor surface glazing and pad deposits
• Prevents premature rotor corrosion and rust buildup
• Ensures consistent braking performance on BMW 220i, 228i xDrive Gran Coupe, Mini Cooper Countryman, and similar models

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below 22.4 mm discard thickness
• Ensure proper torque on the 5 lug bolts to manufacturer specifications
• Clean rotor surface with brake cleaner before mounting to remove any protective oils
• Check compatibility with vehicle’s bolt circle diameter (112 mm) and center hole diameter (67 mm)
• Inspect brake pads for wear and replace if necessary to maximize rotor performance

Quality Assurance

Dynamite Friction manufactures the 633-31157L rotor to meet or exceed OEM specifications for fit and function. The rust resistant coating and zinc black hat finish contribute to long-term durability. While specific warranty details are not provided, this rotor is designed for dependable performance on compatible BMW and Mini vehicles.