Girodisc 2-Piece 368mm Rear Brake Disc Upgrade BMW F8X M2 M3 M4

Elevate the rear braking performance of your BMW M2, M3, or M4 with Girodisc Iron Rotors, engineered as a direct replacement for factory iron rotors. Perfect for drivers seeking enhanced braking efficiency while keeping factory brake balance intact.

Applications

• BMW M2, M3, and M4 with 368mm rear iron rotors.
• Note: For M2 Competition with the 2NH factory upgrade or vehicles equipped with carbon ceramic brakes, please click here.

Benefits of Direct Replacement

Girodisc Iron Rotors offer a seamless replacement for the original rear rotors, requiring no modifications. These rotors attach directly to your vehicle and work flawlessly with OEM calipers, preserving your car’s factory brake balance and ABS performance.

Features

Central Hat Section

Crafted from U.S. sourced 6061-T6 aircraft-grade aluminium for exceptional strength.

Disc Material

Proprietary cast iron, meticulously poured and machined in the USA at Girodisc’s facility.

Design

Incorporates a curved vane design, derived from racing technology, to function as a centrifugal pump, enhancing cooling airflow through the disc.

Floating Mount System

Features 10 high-strength alloy steel drive pins, custom-manufactured by Girodisc and cadmium plated for lasting corrosion resistance. These pins absorb braking forces while allowing axial and radial float between the hat and disc. Secured with class 12.9 cap screws and hardened washers.

Anti-Noise Technology

Equipped with anti-noise spring washers to accommodate heat expansion and minimize noise, ensuring smooth operation and self-centering between the pads.

Maintenance

After installing the Girodisc system, simply replace the cast iron rotor as needed. Sold/priced per pair.

Upgrade your BMW M2, M3, or M4’s rear braking system with Girodisc 368mm Iron Rotors. These rotors deliver enhanced durability, improved cooling, and reduced noise, while maintaining your vehicle’s factory settings and ABS functionality.