Centric 121.34056 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.34056

The Centric C-TEK Standard Disc Brake Rotor 121.34056 is engineered for reliable braking performance on BMW 325xi models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with BMW 325xi vehicles
• Part number 121.34056 for precise identification
• Vented disc brake rotor design for improved cooling
• Overall diameter of 11.575 inches (294 mm)
• Nominal thickness of 0.740 inches (18.8 mm) with discard thickness at 0.685 inches (17.4 mm)
• Five lug holes with a 4.724 inch (120 mm) bolt circle diameter
• Center hole diameter of 2.953 inches (75 mm)
• Weight approximately 13.65 lbs (6.2 kgs)
• Floating/dih disc mounting with two miscellaneous holes
• ABS tone ring not included

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.34056 is specifically designed for the BMW 325xi, ensuring compatibility and optimal fitment. The rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under normal driving conditions. With a smooth surface type, it provides consistent contact with brake pads, promoting even wear and reliable stopping power.

The rotor’s nominal thickness is 0.740 inches (18.8 mm), with a discard thickness of 0.685 inches (17.4 mm), indicating when replacement is necessary to maintain braking efficiency. The overall height measures 2.382 inches (60.5 mm), and the outside diameter is 11.575 inches (294 mm), matching OEM specifications for the BMW 325xi. The rotor mounts using five lug holes spaced on a 4.724 inch (120 mm) bolt circle diameter, with a center hole diameter of 2.953 inches (75 mm), ensuring precise installation.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing reliable braking components with consistent performance characteristics, making it suitable for daily driving and standard braking demands. The 121.34056 rotor exemplifies this approach by combining vented rotor technology with precise manufacturing tolerances.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 325xi
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during extended use
• Restores proper rotor thickness to maintain braking efficiency
• Eliminates noise and vibration related to damaged rotors

Installation Notes and Tips

• Verify rotor dimensions and part number 121.34056 before installation
• Ensure the mounting surface and hub are clean and free of debris
• Torque lug nuts to manufacturer specifications for BMW 325xi
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a test drive to confirm proper braking function after installation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to part number 121.34056.