DuraGo BR900780 Disc Brake Rotor - Front

Overview of DuraGo BR900780 Disc Brake Rotor

The DuraGo BR900780 is a cast iron vented disc brake rotor designed for select BMW models including the 228i, 320i, 328i, 330i, 428i, 430i, and X1 series. Engineered to meet OEM specifications, this rotor provides reliable braking performance for your BMW vehicle.

• Material: Durable cast iron construction
• Vented design for improved heat dissipation
• Nominal thickness: 0.94 inches (24 mm)
• Discard thickness: 0.88 inches (22.4 mm)
• Outside diameter: 12.28 inches (312 mm)
• Mounting bolt hole quantity: 5 with 0.57 inch (14.6 mm) diameter holes
• Non-directional brake surface for versatile installation
• Conventional rotor type without ABS tone ring

Detailed Product Description

The DuraGo BR900780 disc brake rotor is constructed from full cast iron, providing a solid and durable braking surface. Its vented design enhances airflow to reduce heat buildup during braking, which helps maintain consistent stopping power and reduces the risk of brake fade. With a nominal thickness of 0.94 inches and a discard thickness of 0.88 inches, this rotor offers a balance between longevity and performance. The rotor’s 12.28-inch outside diameter and 5-bolt mounting pattern with a 4.72-inch bolt circle diameter ensure proper fitment on compatible BMW models. This rotor features a non-directional brake surface, allowing for flexible installation without concern for rotor orientation.

Compatible BMW Models and Applications

This rotor is compatible with a range of BMW vehicles, including the 228i, 228i xDrive, 230i, 230i xDrive, 320i, 320i xDrive, 328d, 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 328xi, 330i, 330i GT xDrive, 330i xDrive, 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, and X1 models. The DuraGo BR900780 rotor is designed to meet the braking demands of these vehicles, ensuring proper fit and function.

Common Issues Addressed by This Rotor

• Brake rotor warping causing vibration during braking
• Reduced braking efficiency due to worn or thin rotors
• Excessive brake noise from uneven rotor surfaces
• Overheating and brake fade during extended use
• Corrosion-related rotor surface degradation (note: this rotor does not have rust-resistant coating)

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface to remove any protective coatings or debris
• Torque mounting bolts to manufacturer specifications for secure fitment
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a proper bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

DuraGo manufactures the BR900780 rotor to meet industry standards for durability and performance. While this rotor does not include a rust-resistant coating, its full cast iron construction provides reliable braking under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.