i have been dailying a 400,000 mile E60 BMW 5 series for 3 years now. i got it with 300k on it, and the only unscheduled repair i had to take care of since i picked it up for $200 is the parking brake/backing plates which gave up at 402k. 2006 525xi, no lights on the dash, utter motoring bliss. it has been to most of…