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Originally Posted by 1996 328ti  What is wrong? Do they fade? Stopping distance long? |
On long, twisty downhills (mountain driving), they tend to get hot, sometimes I can feel a 'pulsing' in the pedal, pedal goes further in and becomes spongy, brakes become much less effective at braking. The spongy pedal tells me it's probably more fluid related, but either way,having a larger, vented rotor is certainly going to reduce heat build-up in the system and decrease the chance glazing the pads, boiling the fluid, and warping the rotors, at least in my experience. It's probably a combination of needing new pads soon, rotors showing some wear, and needing a system flush, but I was able to pick up an entire E36 M3 system, with new pads and new brembo rotors, locally for ridiculously cheap, so I'm going to go with that. I'd be happy to hear any advice on doing the changeover or issues that other members may have experienced in doing it.