| 09-28-2022, 10:12 AM | #25 | |
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BimmerPost Supporting Vendor
3843
Rep 54,362
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com
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| 10-04-2022, 01:50 PM | #26 | |
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BimmerPost Supporting Vendor
3843
Rep 54,362
Posts
Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com
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Front Girodisc 31.4 Rear OEM 21 Rear Girodisc 20 Keep in mind that Girodics likely have more vanes thus the weigh increase. |
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| 01-03-2023, 02:50 PM | #32 |
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BimmerPost Supporting Vendor
3843
Rep 54,362
Posts
Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com
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F8X M3, M4 including CS with optional carbon ceramic brake package (gold calipers)
F87 M2, M2 Competition & M2 CS with red or silver calipers F87 M2 CS with optional carbon ceramic brake package (gold calipers) If your vehicle has blue calipers, they require a different size rotor. Converting Carbon Ceramic Rotors Our iron rotors replace the factory carbon ceramic rotors with no modifications necessary. We strongly recommend changing pad material to one suitable for iron rotors. Background Information 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 a curved vane design, 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 12 high strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated for a long lasting corrosion resistance. These pins take the load from braking actions while maintaining the axial and radial float between the hat and disc. The pins are secured by class 12.9 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring washers on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads. Once the Girodisc system is in place, simply replace the cast iron rotor when needed. Sold/priced per pair Available for both front and rear for the vehicle. Rotor Weight: Front OEM 30.6 Front Girodisc 31.4 Rear OEM 21 Rear Girodisc 20 |
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| 02-08-2023, 04:13 PM | #34 |
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BimmerPost Supporting Vendor
3843
Rep 54,362
Posts
Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com
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Looking for Girodisc for your other vehicles? PM us for quote!
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