DuraGo BR34250 Disc Brake Rotor - Front

Overview of DuraGo BR34250 Disc Brake Rotor

The DuraGo BR34250 is a cast iron vented disc brake rotor designed for select BMW models. Engineered to meet the demands of vehicles like the BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li, this rotor provides reliable braking performance with a conventional construction.

• Material: Durable cast iron construction
• Rotor Type: Vented disc brake rotor for improved heat dissipation
• Nominal Thickness: 1.18 inches (30 mm)
• Discard Thickness: 1.12 inches (28.4 mm)
• Outside Diameter: 13.69 inches (347.8 mm)
• Mounting Bolt Holes: 5 holes with 0.65 inch (16.5 mm) diameter
• Center Hole Diameter: 3.11 inches (79 mm)
• Non-directional brake surface, conventional rotor design

Detailed Product Description

The DuraGo BR34250 disc brake rotor is constructed from full cast iron, providing a balance of strength and thermal conductivity essential for consistent braking. Its vented design allows air to flow between the rotor surfaces, helping to reduce heat buildup during braking and maintain performance under demanding conditions. With a nominal thickness of 1.18 inches and a discard thickness of 1.12 inches, this rotor offers a clear service life indicator to ensure timely replacement. The rotor’s 13.69-inch outside diameter and 5-bolt mounting pattern with a 4.72-inch bolt circle diameter are specifically engineered for compatibility with BMW 7 Series models including the 745i, 745Li, 750i, 750Li, 760i, and 760Li.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Eliminating noise and vibration from uneven rotor surfaces
• Improving heat dissipation to prevent brake fade during extended use
• Restoring proper rotor dimensions for safe and consistent braking

Installation Notes and Tips

When installing the DuraGo BR34250 rotor, ensure the mounting surface is clean and free of debris to promote proper fitment. Verify the rotor thickness before installation to confirm it meets the nominal specifications. Use a calibrated torque wrench to tighten mounting bolts to the manufacturer’s recommended torque settings. Since this rotor does not include an ABS tone ring, confirm compatibility with your vehicle’s ABS system. It is advisable to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The BR34250 rotor undergoes rigorous quality control to ensure durability and consistent performance. While specific warranty details may vary, DuraGo typically offers a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.