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Dynamite Friction 631-31007L Disc Brake Rotor - Front Left
Reliable Brake Performance for BMW 528i and 530i
The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-31007L) is engineered to provide consistent braking performance for BMW 528i and 530i models. Designed with precision, this vented disc brake rotor offers enhanced heat dissipation and improved stopping power under demanding conditions.
- Disc Type: Vented, drilled and slotted surface for optimal heat management
- Nominal Thickness: 22 mm with a discard thickness of 20.4 mm
- Overall Diameter: 280 mm with a height of 78.1 mm
- Bolt Pattern: 5 lug holes with 15 mm diameter and 120 mm bolt circle diameter
- Rust Resistant Zinc Silver Hat Finish and plain disc finish for durability
- Directional brake surface designed for efficient water and debris evacuation
About the DFC Brake Rotor - Drilled and Slotted - Silver Line
The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and precision slots to improve braking response and reduce brake fade. This product line is tailored for drivers seeking rotors that maintain performance under heat stress while offering corrosion resistance through a zinc silver coating on the rotor hat.
Technical Details and Specifications
This disc brake rotor features a vented design that promotes airflow to dissipate heat generated during braking, reducing the risk of warping. The rotor's surface is both drilled and slotted, which helps to channel away gases, dust, and water, maintaining consistent pad contact and braking efficiency. The rotor's nominal thickness is 22 mm, with a discard thickness of 20.4 mm, ensuring a clear service life indicator. The zinc silver coating on the hat provides rust resistance, extending the rotor's durability in various driving conditions. The rotor fits BMW 528i and 530i models with a 5-lug bolt pattern, 15 mm lug hole diameter, and a 120 mm bolt circle diameter, ensuring precise fitment and secure installation.
Applications and Problem Solving
- Reduces brake fade during high-temperature braking scenarios
- Improves braking response in wet or debris-prone environments
- Prevents rotor warping through enhanced heat dissipation
- Minimizes rust and corrosion on the rotor hat for longer service life
- Maintains consistent braking performance for BMW 528i and 530i vehicles
Installation Notes and Tips
Ensure the rotor surface is clean and free of any protective coatings before installation. Verify the bolt pattern and lug hole dimensions match your BMW 528i or 530i specifications. Use proper torque settings on lug nuts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.
Quality Assurance
Dynamite Friction manufactures the 631-31007L rotor to meet strict quality standards for durability and performance. The rust-resistant zinc silver coating and vented rotor design contribute to extended service life. Please consult product documentation or contact the manufacturer for warranty details specific to this rotor.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 631-31007L |
| Position | DFC Brake Rotor - Drilled and Slotted - Silver, Front Left |
| Discard Thickness | 20.4 |
| Nominal Thickness | 22 |
| Bolt Hole Diameter | 15 |
| Disc Finish | Plain |
| Hat Finish | Zinc silver |
| Rust Resistant Coating | Yes |
| Bolt Hole Quantity | 5 |
| Overall Height | 78.1 |
| Outside Diameter | 280 |
| Height | 78.1 |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 74 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 15 |
| Directional or Non-Directional Brake Surface | Directional |
| Bolt Circle Diameter | 120 |
| Stud/Lug Hole Circle Diameter | 120 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1981 | BMW | 528i | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1980 | BMW | 528i | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1979 | BMW | 528i | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1978 | BMW | 530i | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1977 | BMW | 530i | Front Left | DFC Brake Rotor - Drilled and Slotted - Silver |
| 1976 | BMW | 530i | Front Left | Vehicle Production Date From 9/76; DFC Brake Rotor - Drilled and Slotted - Silver |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.