DuraGo BR34065 Disc Brake Rotor - Rear

Overview of DuraGo BR34065 Disc Brake Rotor

The DuraGo BR34065 is a solid disc brake rotor designed specifically for select BMW models including the 525i, 525iT, 530i, and 535i. Crafted from durable cast iron, this rotor provides reliable braking performance and is engineered to meet the demands of these vehicles.

• Material: Cast iron for strength and heat dissipation
• Construction: Full cast solid rotor with drum-in-hat design
• Outside Diameter: 11.81 inches (300 mm)
• Nominal Thickness: 0.39 inches (9.9 mm)
• Discard Thickness: 0.33 inches (8.4 mm)
• Mounting Bolt Hole Quantity: 5 with 0.59 inch (15 mm) diameter holes
• Center Hole Diameter: 2.95 inches (75 mm)
• Mounting Bolt Hole Circle Diameter: 4.72 inches (120 mm)
• Non-directional brake surface, no cross drilling or slots
• ABS tone ring not included

Detailed Product Description

The DuraGo BR34065 disc brake rotor is constructed from cast iron, a material known for its excellent thermal conductivity and wear resistance. This rotor features a full cast, solid design with a drum-in-hat configuration, which integrates the parking brake drum into the rotor assembly. The 11.81-inch diameter and 0.39-inch nominal thickness provide a robust braking surface suitable for the braking systems of BMW 525i, 525iT, 530i, and 535i models. The rotor’s 5-bolt mounting pattern with a 4.72-inch bolt circle diameter ensures precise fitment and secure installation. This rotor does not include an ABS tone ring and has a non-directional braking surface, making it compatible with standard brake pads without directional requirements.

Compatible Vehicles and Applications

• BMW 525i (various model years)
• BMW 525iT (touring models)
• BMW 530i
• BMW 535i

This rotor is designed to replace worn or damaged front disc brake rotors on these BMW models, restoring proper braking function and safety.

Common Issues Addressed by This Rotor

• Brake pulsation caused by warped rotors
• Reduced braking efficiency due to worn rotor thickness
• Noise and vibration from uneven rotor surfaces
• Corrosion-related rotor surface degradation (note: this rotor does not have rust-resistant coating)
• Incompatibility with drum-in-hat parking brake systems

Installation Notes and Tips

When installing the DuraGo BR34065 rotor, ensure the mounting surface is clean and free of debris to prevent rotor runout. Verify the rotor thickness before installation; replace if below the discard thickness of 0.33 inches (8.4 mm). Since this rotor does not include an ABS tone ring, confirm compatibility with your vehicle’s ABS system. Use proper torque specifications for the 5 mounting bolts to secure the rotor firmly. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

DuraGo manufactures this rotor to meet or exceed OEM specifications for fit, form, and function. The cast iron construction provides consistent performance under normal operating conditions. While this product does not include a rust-resistant coating, proper maintenance can help extend rotor life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.