DuraGo BR901042 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for BMW Z4

The DuraGo BR901042 disc brake rotor is engineered to provide consistent braking performance for your BMW Z4. Crafted from durable cast iron, this vented rotor is designed to maintain optimal stopping power under various driving conditions.

• Material: Cast iron for strength and heat dissipation
• Vented full cast construction to reduce brake fade
• Nominal thickness of 0.75 inches (19 mm) with discard thickness at 0.69 inches (17.4 mm)
• Outside diameter of 11.57 inches (294 mm) for precise fitment
• Drum-in-hat design with 5 mounting bolt holes (14.8 mm diameter)
• Non-directional brake surface for versatile installation
• Center hole diameter of 2.95 inches (75 mm) and mounting bolt circle diameter of 4.72 inches (120 mm)

Durable Construction and Precise Fitment

The DuraGo BR901042 rotor features a full cast vented design that enhances heat dissipation during braking, helping to prevent warping and brake fade. Its cast iron material offers reliable durability and consistent performance over time. The rotor’s drum-in-hat construction integrates a parking brake drum, making it suitable for vehicles equipped with drum-in-hat style rear brakes. This rotor is specifically compatible with BMW Z4 models, ensuring a precise fit with its 5-bolt mounting pattern and exact dimensions.

Applications and Problem Solving

This disc brake rotor is intended for use on the rear brakes of BMW Z4 vehicles with drum-in-hat style rotors. It addresses common braking issues such as:

• Brake rotor warping due to heat buildup
• Reduced braking efficiency from worn or thin rotors
• Uneven brake pad wear caused by rotor surface irregularities
• Noise and vibration during braking
• Compatibility issues with drum-in-hat parking brake systems

Installation Notes and Tips

When installing the DuraGo BR901042 rotor, ensure the rotor thickness is above the discard thickness of 0.69 inches (17.4 mm) to maintain safety and performance. Clean the rotor surface to remove any protective coatings or debris before installation. Verify the mounting bolt pattern and center hole diameter match your BMW Z4 specifications. It is recommended to replace brake pads simultaneously to ensure even wear and optimal braking response.

Quality Assurance and Warranty

DuraGo manufactures the BR901042 rotor to meet or exceed OEM specifications for fit, form, and function. While this rotor does not include a rust-resistant coating, its cast iron construction provides reliable durability. Please refer to DuraGo’s warranty policy for coverage details on defects and workmanship.