Centric 121.34064 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.34064

The Centric C-TEK Standard Disc Brake Rotor 121.34064 is engineered for reliable braking performance on select BMW models. Designed specifically for BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li vehicles, this vented rotor ensures consistent heat dissipation and smooth braking response.

• Compatible with BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li
• Part number: 121.34064
• Vented disc brake rotor with smooth surface finish
• Outside diameter: 13.701 inches (348.0 mm)
• Nominal thickness: 1.181 inches (30.0 mm)
• Discard thickness: 1.118 inches (28.4 mm)
• Overall height: 3.217 inches (81.7 mm)
• Floating disc mounting with straight vane style for effective cooling
• 5 lug holes with 0.661 inch (16.8 mm) diameter
• Center hole diameter: 3.110 inches (79.0 mm)
• Weight approximately 25.15 lbs (11.43 kgs)
• ABS tone ring not included
• Bearings not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for standard replacement needs. These rotors are designed to meet or exceed OEM specifications, providing consistent braking performance and durability. The 121.34064 rotor features a vented design to improve heat dissipation, which helps maintain braking efficiency during extended use on BMW 7 Series models.

Detailed Product Description

This Centric disc brake rotor is a vented type with a smooth surface, optimized for effective heat management and reduced brake fade. The floating disc mounting design combined with straight vane style enhances airflow through the rotor, helping to maintain optimal operating temperatures. The rotor’s dimensions, including a 13.701 inch outside diameter and 1.181 inch nominal thickness, align with factory specifications for the BMW 745i, 745Li, 750i, 750Li, 760i, and 760Li models. The 5-lug hole pattern with a 120 mm bolt circle diameter ensures proper fitment and secure installation. This rotor does not include an ABS tone ring or bearings, so those components must be sourced separately if required.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking performance on BMW 7 Series models experiencing reduced stopping power
• Addresses rotor thickness below discard limits to maintain safety
• Improves heat dissipation to reduce brake fade during heavy braking
• Eliminates noise and vibration caused by damaged or uneven rotors

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your BMW model before installation
• Ensure the rotor surface is clean and free of contaminants prior to mounting
• Use proper torque specifications on lug nuts to avoid rotor warping
• Replace brake pads simultaneously to ensure even wear and optimal braking
• Check for ABS sensor compatibility as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.34064 may vary, Centric typically offers a limited warranty against defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for exact warranty terms.