Centric 320.34055F Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating provide reliable braking performance for BMW 530i and 540i models. Designed with a fully coated disc and hat finish, these rotors offer enhanced corrosion resistance and durability for long-term use.

• Compatible with BMW 530i and 540i models
• Part Number: 320.34055F
• Fully coated disc and hat finish for corrosion protection
• Vented rotor design with straight vane style for improved heat dissipation
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.118 inches (28.400 mm)
• Outside diameter of 12.756 inches (324.000 mm) and overall height of 2.906 inches (73.800 mm)
• Floating disc mounting with 5 lug holes and 4.724 inch (120.000 mm) bolt circle diameter
• Smooth surface type for consistent braking contact

Product Line Details: Centric GCX Elemental Protection Disc Brake Rotors - Full Coating

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a full protective coating to resist rust and corrosion. This coating extends the rotor’s service life and maintains performance integrity, especially in environments prone to moisture and road salt exposure. The full coating on both the disc and hat ensures comprehensive protection, making it suitable for BMW 530i and 540i vehicles requiring dependable braking components.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to facilitate efficient heat dissipation during braking, reducing the risk of brake fade. The rotor’s nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.118 inches (28.400 mm), indicating when replacement is necessary. The outside diameter measures 12.756 inches (324.000 mm), and the overall height is 2.906 inches (73.800 mm). The rotor mounts using a floating disc mounting system with five lug holes spaced on a 4.724 inch (120.000 mm) bolt circle diameter. The smooth surface finish ensures consistent pad contact and braking performance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 530i and 540i
• Addresses rotor corrosion and rust issues due to full coating protection
• Improves heat dissipation to reduce brake fade during extended use
• Restores braking performance affected by rotor thickness below discard limits
• Suitable for vehicles experiencing uneven braking or vibration

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize braking performance

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating process provides enhanced corrosion resistance to extend rotor life. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always refer to the product packaging or manufacturer documentation for exact warranty terms.