Quote:
Originally Posted by SeanWRT
The CS gets the 6-4 MP steel brake standard. Not necessarily the CCB fitted with the car tested.
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The data sheet you posted says that the M2 CS test car featured optional M-CCB: "Keramik (optional)". Look also at the indicated 15K price delta (base price versus test car price) which could be explained by M-CCB for a significant part.
According to the same data sheet:
- the tested M2 Competition: M-DCT, weighed 1631 kg (full tank of fuel included), apparently had no M Driver's Package (because data sheet notes V-max of 250 km/u (stock: electronically limited V-max) - Parabolika speed 232 km/h), featured steel brakes (2NH M Sport Brakes), was sitting on Pilot Super Sport tires, likely on 19" 788M wheels (no info specified), and was driving in 1°C/34°F air temp + 1°C/34°F track temp and 1020 mbar air pressure;
- the tested M2 CS: M-DCT, weighed 1588 kg (full tank of fuel included), went into 'limp mode' on its way to the finish due to low fuel (running on empty = minimum fuel weight), apparently had M Driver's Package (because data sheet notes V-max of 280 km/h (delimited V-max) - Parabolika speed 248 km/h), featured M-CCB (carbon ceramic brakes), was sitting on Cup 2 tires fitted on lightweight 19" 763M wheels, and was driving in 32°C/90°F air temp + 53°C/127°F track temp and 1015 mbar air pressure.
- track temperature difference: 52°C/93°F (1°C/34°F vs. 53°C/127°F);
- air temperature difference: 31°C/56°F (1°C/34°F vs. 32°C/90°F);
- air pressure difference: 5 mbar (1020 mbar vs. 1015 mbar).
Hm, judging merely by those figures, it looks like the M2 Competition - considering its setup and near freezing point test circumstances - wasn't particularly blown out of the water/ice by the better equipped and more powerful M2 CS pushed around the track in warm weather on hot asphalt.