Can I ask a quick question? I am new here but have been tracking a 911 for many years. Have tried a lot of pads , I havent seen anyone mention Porterfield or Raybestos? The R4 and R4S(street) are amazing but have not tried on my 135. If you want the same grip with half the pedal pressure needed, Raybestos are incredible IMHO. Not sure about wear on bmw rotors. Thanks! This forum is awesome!
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