Girodisc BMW E9X M3 Rotors

Genuine Girodisc 2-piece floating rotors — a direct OE replacement that bolts straight on with no modifications. CNC-machined aluminium hats with floating mounting hardware cut unsprung and rotational mass, resist heat-soak and warping, and deliver consistent pedal feel on road and track.

Available options

Genuine Girodisc 2-piece floating rotors — a direct OE replacement that bolts straight on with no modifications. CNC-machined aluminium hats with floating mounting hardware cut unsprung and rotational mass, resist heat-soak and warping, and deliver consistent pedal feel on road and track.

Fitment

Manufacturer notes

The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly. By upgrading your brakes with lightweight high performance replacements as opposed to a big brake kit, your factory bias is maintained as well as your ABS efficiency. The central hat section of our rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum.  The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc.  The rotor utilizes 48 curved directional vanes, developed in racing to act as a centrifugal pump to force cooling air through the disc. The rotor and hat have a floating mount system, which utilizes 10 high strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated f

Genuine Girodisc — supplied by EuroSpec.

Ships in 1–3 days.