Zimmermann 150.2955.20 Disc Brake Rotor - Front Right

Zimmermann Disc Brake Rotor Overview

The Zimmermann 150.2955.20 disc brake rotor is engineered for precision and durability, designed specifically for select BMW models. This internally vented rotor offers reliable braking performance and is coated to resist corrosion, ensuring consistent operation under demanding conditions.

• Compatible with BMW 540i, 540i xDrive, 550i xDrive, 740e xDrive, 740i, 740i xDrive, 745e xDrive, 745Le xDrive, 750i, 750i xDrive, 750Li, 750Li xDrive, 840i, 840i Gran Coupe, 840i xDrive, 840i xDrive Gran Coupe, M340i, M340i xDrive, M550i xDrive, M850i xDrive, X5, and X7
• High-carbon machining for enhanced wear resistance and heat dissipation
• Internally vented brake disc type for improved cooling
• Coated surface to protect against corrosion and extend rotor life
• Outer diameter of 374 mm and thickness of 36 mm for precise fitment
• Hub bore diameter of 67 mm with a bolt hole circle of 112 mm
• ECE R90 approved inspection tag ensuring compliance with safety standards

Technical Specifications and Features

The Zimmermann 150.2955.20 rotor features a 374 mm outer diameter and a thickness of 36 mm, with a minimum thickness of 34.4 mm to maintain optimal braking performance. The rotor is internally vented, which enhances heat dissipation during braking, reducing the risk of brake fade. The high-carbon machining process improves the rotor’s durability and resistance to wear, making it suitable for the rigorous demands of BMW vehicles such as the 750Li xDrive and M340i xDrive. The rotor’s surface is coated to prevent rust and corrosion, extending the service life of the part. The bolt hole circle measures 112 mm with a 6/5 hole arrangement, and the hub bore diameter is 67 mm, ensuring a secure and precise fit.

Applications and Problem Solving

• Replacement for worn or warped rotors on compatible BMW models
• Improves braking consistency and reduces brake noise
• Addresses rotor corrosion and surface degradation
• Helps prevent brake fade during extended or heavy braking
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

When installing the Zimmermann 150.2955.20 disc brake rotor, ensure the rotor surface is clean and free of contaminants before mounting. Verify the bolt hole circle and hub bore dimensions match the vehicle specifications. It is recommended to replace brake pads simultaneously to maintain optimal braking efficiency. Follow manufacturer torque specifications for all fasteners to ensure secure installation. This rotor pairs with part number 150.2954.20 for complete axle replacement.

Quality Assurance and Compliance

This Zimmermann disc brake rotor carries the ECE R90 approval, confirming it meets stringent European safety and performance standards. Manufactured with high-carbon machining and coated surfaces, it is designed to provide consistent braking performance and durability. While no specific warranty information is provided, Zimmermann products are known for adherence to quality manufacturing processes.