andy, do you drive it hard with a lot of use of the brakes then wash it? I have heard that if the brakerotors are real hot and you spray cold water on them (like in a car wash when you wash the wheels) then there is a possiblity that they can warp. I have never tried it so I do not know if it is true or not. Seems logical though.
Jim
'95 E320
'97 Honda CRV