Girodisc BMW F8X Essex/AP BBK Front Replacement Rings
Restore your BMW M3 or M4’s braking power with Girodisc D1-194 front replacement rings for the Essex/AP Racing big brake kit (A1-194). These 372 mm high-carbon cast-iron rings are direct replacements for the original Girodisc/AP rotor assemblies, designed to bolt onto existing aluminum hats using the included floating hardware kit. Engineered for maximum cooling efficiency and consistent pedal feel, they’re the ideal service solution for track-focused M cars.
Vehicle Fitment
Compatible with:
• BMW F80 M3 (Front)
• BMW F82 / F83 M4 (Front)
• BMW M2 Competition (F87, Front)
Note: Designed for the Essex/AP Racing big brake kit using Girodisc A1-194 rotor assemblies. Not compatible with OEM or other aftermarket rotors.
Features
• Sold as a left/right pair with full floating hardware kit
• Direct replacements for Girodisc 372 mm AP Racing BBK rotors
• CNC-machined from high-carbon cast iron for exceptional thermal stability
• Directional curved vanes maximize airflow and heat dissipation
• Maintains brake balance and ABS calibration for both street and track setups
• Precision-balanced for smooth, vibration-free braking
• Designed for Girodisc aluminum hats used in Essex/AP Racing BBK systems
Specifications
• Diameter: 372 mm
• Position: Front
• Material: High-carbon cast iron
• Mount type: Floating two-piece system
• Includes: Two rotor rings and new hardware kit
• Sold/priced per pair
Girodisc D1-194 BMW F8X Essex/AP BBK Front Replacement Ring FAQs
Are these rings compatible with OEM M3/M4 rotors? No. They’re designed only for Girodisc aluminum hats used in the Essex/AP Racing big brake kit.
Will these fit the AP Racing CP9660 calipers? Yes. They’re designed for the A1-194 rotor assemblies paired with AP CP9660 front calipers in the Essex/AP BBK.
Can these handle full track use with race pads? Absolutely. The D1-194 rings are engineered for high thermal stress and work flawlessly with aggressive pad compounds.
Do they require new hats or just rings? You can reuse your existing Girodisc hats; these rings bolt directly on using the included hardware kit.
Refresh your BMW M3 or M4’s Essex/AP Racing BBK with Girodisc D1-194 front replacement rings — precision-engineered for cooling, longevity, and race-proven performance on every lap.
