I have recently noticed a decrease in pulling power on my car. So today I do about 10k in the morning...outside temp around 23c, and the 2 front rotors and 1 back rotor is pretty hot. So hot that when I sprinkled a few drops of water, it evaporate with a hiss and steam. (just a liitle bit of H2o, not enough to warp rotors)
Is this normal? Or is it too hot? I have noticed the lack of power is more on hot days, and after I've driven the car for some time.
Any opinions guys?
2002 BMW 745 Li.