[m3flyer]

Originally Posted by elsabor67

No problem GT. The way I understand (and correct me guys if i'm wrong) is that the holes on the rotor are supposed to work as a fan to maintain the rotor cool under braking so they won't over heat and then your brakes fail. this is what they look like...



I wasn't aware that the TMS rotors were OE BMW rotors. Thanks for the info M3F.

I thought about the Brembo's MZ, but a Soldier that works with me has them on a Honda Accord (Bigger ADing Ding Level) but he was having alot of problems with them.

...the holes vent gas from the rotor surface which tends to cause extra heat, warping, and cracking on a sealed surface rotor.

Same thing with slotted... they vent the gas.