GiroDisc F8X M2/M3/M4 400mm 2-Piece Slotted Front Rotors — Fits 14-20 BMW

SKU: GIRA1-220
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Sale price$1,540.62
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About GiroDisc

GiroDisc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GiroDisc lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Ultimate 400mm Brake Upgrade for BMW F8X

Upgrade your BMW M2, M3, or M4 (F8X) with the GiroDisc 400mm 2-piece slotted front rotors. These rotors are engineered to provide maximum stopping power and heat resistance for the high-performance F8X chassis. Whether you are running the standard steel brake setup or looking for a replacement for your CCM system, these rotors deliver unparalleled performance and consistency for both street and track environments.

Technical Specifications

  • 400mm Diameter: Designed to fit perfectly with compatible factory calipers, including Red, Silver, and Gold variants.
  • 2-Piece Design: High-strength aluminum hat paired with a high-carbon iron disc for superior thermal management.
  • Slotted Performance: Precision-machined slots provide consistent pad bite and help clear debris for better overall braking.
  • Floating Mount: Allows the rotor to expand radially, preventing warping and ensuring a stable pedal feel under extreme heat.

The GiroDisc floating mount system is a game-changer for the BMW F8X platform, effectively managing the thermal expansion that often leads to vibration in stock rotors. By reducing weight and improving cooling, these rotors help you maintain performance lap after lap. They are the ideal choice for drivers who demand the best from their M-car. Upgrade your BMW's braking system with confidence by choosing high-performance components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About GiroDisc

GiroDisc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GiroDisc lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Ultimate 400mm Brake Upgrade for BMW F8X

Upgrade your BMW M2, M3, or M4 (F8X) with the GiroDisc 400mm 2-piece slotted front rotors. These rotors are engineered to provide maximum stopping power and heat resistance for the high-performance F8X chassis. Whether you are running the standard steel brake setup or looking for a replacement for your CCM system, these rotors deliver unparalleled performance and consistency for both street and track environments.

Technical Specifications

  • 400mm Diameter: Designed to fit perfectly with compatible factory calipers, including Red, Silver, and Gold variants.
  • 2-Piece Design: High-strength aluminum hat paired with a high-carbon iron disc for superior thermal management.
  • Slotted Performance: Precision-machined slots provide consistent pad bite and help clear debris for better overall braking.
  • Floating Mount: Allows the rotor to expand radially, preventing warping and ensuring a stable pedal feel under extreme heat.

The GiroDisc floating mount system is a game-changer for the BMW F8X platform, effectively managing the thermal expansion that often leads to vibration in stock rotors. By reducing weight and improving cooling, these rotors help you maintain performance lap after lap. They are the ideal choice for drivers who demand the best from their M-car. Upgrade your BMW's braking system with confidence by choosing high-performance components from GGCRACING.

Product Details

Product Description

About GiroDisc

GiroDisc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GiroDisc lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Ultimate 400mm Brake Upgrade for BMW F8X

Upgrade your BMW M2, M3, or M4 (F8X) with the GiroDisc 400mm 2-piece slotted front rotors. These rotors are engineered to provide maximum stopping power and heat resistance for the high-performance F8X chassis. Whether you are running the standard steel brake setup or looking for a replacement for your CCM system, these rotors deliver unparalleled performance and consistency for both street and track environments.

Technical Specifications

  • 400mm Diameter: Designed to fit perfectly with compatible factory calipers, including Red, Silver, and Gold variants.
  • 2-Piece Design: High-strength aluminum hat paired with a high-carbon iron disc for superior thermal management.
  • Slotted Performance: Precision-machined slots provide consistent pad bite and help clear debris for better overall braking.
  • Floating Mount: Allows the rotor to expand radially, preventing warping and ensuring a stable pedal feel under extreme heat.

The GiroDisc floating mount system is a game-changer for the BMW F8X platform, effectively managing the thermal expansion that often leads to vibration in stock rotors. By reducing weight and improving cooling, these rotors help you maintain performance lap after lap. They are the ideal choice for drivers who demand the best from their M-car. Upgrade your BMW's braking system with confidence by choosing high-performance components from GGCRACING.

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