Wagner Brake BD180855E Disc Brake Rotor - Front

Reliable Disc Brake Rotor for BMW Models

The Wagner Brake BD180855E disc brake rotor is engineered to provide consistent braking performance for a range of BMW vehicles. Designed with durable cast iron and a rust-resistant coating, this rotor ensures long-lasting reliability and smooth operation.

• Material: Full cast iron construction for strength and durability
• Rust-resistant coating to protect against corrosion
• Vented design for improved heat dissipation
• Directional smooth surface for optimized braking
• Fits BMW models including 230i, 330i, 430i, X3, X4, and Z4
• Outside diameter: 12.990 inches (330.0 mm)
• Overall height: 2.606 inches (66.2 mm)
• 5 stud/lug hole configuration

Product Details and Specifications

The BD180855E disc brake rotor from Wagner Brake features a full cast iron construction that balances strength with heat management. Its vented design allows for efficient heat dissipation during braking, reducing the risk of brake fade under demanding conditions. The rotor surface is smooth and directional, which helps maintain consistent pad contact and braking performance. A rust-resistant coating extends the rotor's service life by minimizing corrosion, especially in wet or humid environments. This rotor is designed specifically for select BMW models such as the 230i, 230i xDrive, 330e, 330e xDrive, 330i, 330i xDrive, 430i, 430i xDrive, X3, X4, and Z4, ensuring proper fit and function.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading corroded rotors to improve braking reliability
• Addressing excessive brake noise due to uneven rotor surfaces
• Improving heat dissipation to reduce brake fade during heavy use
• Ensuring proper fitment for BMW 5-lug wheel configurations

Installation Notes and Tips

When installing the Wagner Brake BD180855E rotor, ensure the hub surface is clean and free of debris to promote proper rotor seating. Since bearings are not included, verify the condition of existing wheel bearings before installation. Torque lug nuts to manufacturer specifications and check for any signs of uneven wear after installation. This rotor is directional, so confirm correct orientation during mounting to maintain optimal braking performance.

Quality Assurance and Warranty

Wagner Brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The BD180855E rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided, Wagner Brake products typically come with a limited warranty against defects in materials and workmanship.