Steven 
2003 BMW 5 Series Sedan 540i 4dr Sedan (4.4L 8cyl 5A)
Excellent Power Train but Bad Gadgets
 This is an excellent piece of machine especially if you like its aggressive and bossy exterior look.  However, given the power train and the handling are excellent, there are just too many little problems that constantly haunt you.  For example, weak cup holder (I replaced it twice), flimsy exterior thermostat (replaced twice), unreliable cooling system.