HELP!!! I have a 1999 K1200RS and the dealer said the rear rotor was warped. I checked it at home while it was on the bike with a dial indicator and it showed about .020 out. Next I bought a complete new BMW rotor and put on... STILL out!!! I took BOTH rotors and checked them off the bike for runout and they BOTH checked out true. Put the new one on, bolted and torqued up, and is still out! Is there something in the drive that is not sitting square? The bike had 17K miles on it when I bought it and I had it serviced at 18K. Any suggestions???