I've used cruise control maybe 5-6 times in the past 2 years. I don't think this explains the 15k-mile difference in the CBS indicator, claiming that the rear brakes will be due 1st.
DSX - any luck with taking the temperature measurements? I might have to beat you to it by using my fine, laser thermometer, which gets its typical workout with our outdoor pizza oven.
2011 535xi GT