Centric 120.34055 Disc Brake Rotor - Front

Overview of Centric Premium Disc Brake Rotor 120.34055

The Centric Premium Disc Brake Rotor 120.34055 is engineered for reliable braking performance on BMW 530i and 540i models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with BMW 530i and 540i models
• Part number 120.34055 for precise identification
• Vented disc brake rotor design for improved cooling
• Coated hat finish to resist corrosion
• 5 bolt holes with a 120 mm bolt circle diameter
• Nominal thickness of 30 mm and discard thickness of 28.4 mm
• Overall diameter of 324 mm (12.756 inches)
• Smooth surface type for consistent pad contact
• Floating disc mounting for optimal rotor alignment

Detailed Product Description

This Centric Premium Disc Brake Rotor 120.34055 features a vented design that enhances heat dissipation, reducing the risk of brake fade during extended use. The rotor has a nominal thickness of 30 mm and a discard thickness of 28.4 mm, ensuring it meets safety standards for replacement intervals. Its overall diameter measures 324 mm (12.756 inches), with a smooth surface type that promotes even brake pad wear. The rotor includes a coated hat finish to protect against rust and corrosion, extending the rotor's service life. With 5 bolt holes arranged on a 120 mm bolt circle diameter, it fits securely on the hub, which has a center hole diameter of 79 mm. The floating disc mounting design allows for slight movement to maintain proper alignment and reduce stress on the braking system.

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line is designed to provide a balance of performance and durability for daily driving and moderate performance needs. This product line focuses on meeting or exceeding OEM specifications, offering rotors that are precision-machined and coated to resist corrosion. The 120.34055 rotor is part of this line, delivering reliable braking performance specifically tailored for BMW 530i and 540i vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor corrosion and surface rust issues
• Improving braking performance and heat dissipation
• Eliminating brake noise caused by uneven rotor surfaces
• Ensuring safe braking by maintaining proper rotor thickness

Installation Notes and Tips

• Verify compatibility with BMW 530i or 540i before installation
• Check rotor thickness and discard limits to ensure replacement necessity
• Clean hub surface before mounting to prevent runout
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to optimize rotor performance

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 120.34055 should be confirmed with the supplier, Centric generally offers limited warranties covering defects in materials and workmanship. Proper installation and maintenance are essential to maximize the rotor's lifespan and performance.