Quote:
Originally Posted by PerryGunn
+1 on this
The brakes don't stop the car, the tyres do!
Each tyre has a maximum amount of braking force that can be applied through it's contact patch, this is dictated by the weight over the tyre and the coefficient of friction of the rubber, if you exceed that amount the wheel will lock and the tyre will slide.
With virtually any modern set of OEM disk brakes the braking forces that can be generated by the standard setup is more than enough to overcome the braking forces that can be generated by the (road) tyres - hence the ubiquitous presence of ABS systems.
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Well heck..if all I need are tires I'm taking my rotors/calipers etc off to save weight.
Slotted rotors dissipate gases and heat caused by heavy braking. Slotted AND Drilled are mostly cosmetic and used to have cracks where they were drilled. The Tech has caught up and are now cast this way and safer but I believe having both is a waste and more of a 'look' than function. The stock ones on my X3 suck so I'd upgrade the rotors and the pads above OEM. My stock system on my 4 series are amazing..less weight to haul down plus just a better system imo.