Centric 125.34085 Disc Brake Rotor - Rear

Overview of Centric Premium High Carbon Alloy Disc Brake Rotor 125.34085

The Centric Premium High Carbon Alloy Disc Brake Rotor 125.34085 is engineered for reliable braking performance on select BMW models. Designed to meet OEM specifications, this vented rotor offers consistent stopping power and durability for vehicles like the BMW 525xi and 535i xDrive.

• Compatible with BMW 525xi, 528i xDrive, 528xi, 530xi, 535i xDrive, and 535xi models
• Part number 125.34085 ensures precise fitment
• Vented disc design for improved heat dissipation
• Coated hat finish to resist corrosion
• 5 bolt holes with 120 mm bolt circle diameter
• Nominal thickness of 19.85 mm and discard thickness of 18.4 mm
• Overall diameter of 319.6 mm (12.583 inches)
• Smooth surface type for consistent pad contact

Centric Premium High Carbon Alloy Disc Brake Rotors Product Line

The Centric Premium High Carbon Alloy Disc Brake Rotors line focuses on enhanced durability and performance by utilizing high carbon alloy materials. This construction helps reduce rotor warping and cracking under high thermal stress. The rotors in this line, including part number 125.34085, feature vented designs and coated hats to extend service life and maintain braking efficiency on BMW vehicles.

Detailed Product Description and Specifications

This disc brake rotor is designed with a vented structure to improve airflow and heat dissipation during braking, reducing the risk of brake fade. The rotor has a nominal thickness of 19.85 mm and a discard thickness of 18.4 mm, indicating when replacement is necessary to maintain safe braking performance. The coated hat finish protects against rust and corrosion, which is critical for longevity in various driving conditions. With a 5-lug bolt pattern and a 120 mm bolt circle diameter, this rotor fits securely on compatible BMW models. The overall diameter measures 319.6 mm, providing the correct size for the specified vehicles. The smooth surface type ensures even pad wear and consistent braking feel.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 525xi and 535i xDrive
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat management to reduce brake fade during heavy use
• Prevents corrosion-related rotor damage with coated hat finish
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

• Verify compatibility with your BMW model and part number 125.34085 before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean mounting surfaces to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check rotor thickness regularly and replace when below discard thickness of 18.4 mm

Quality Assurance and Warranty

Centric Premium High Carbon Alloy Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The use of high carbon alloy material enhances durability and resistance to thermal cracking. While specific warranty details for part number 125.34085 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship to ensure customer confidence in their braking components.