mine has 10,000mi on, and i have since April 04, therefore it is from the first production build.
I had the fuel pump controller failure at 6000mi, but my major problem was with the bike controllers that would not turn themselves off with key off. After draining 3 batteries in 6 month, the main controller was replaced and the 3 other on board computers were reprogrammed.
The bike charging system is not suitable for my winter riding habits (2 x 12mi/25min daily to/from work), and it was very hard getting the bike started in temperatures below -10[c]. It is good that winter is over...
Minor problems were: a) loosing one of the front screws holding the screen around 1,000mi. b) The bolt holding the center stand on the right hand side broke down at about 9,200mi (i guess the cold was too much for it to handle)
Lousy customer service by BMW of North America.
Having said all that, it is a great bike, and i enjoy it far more than any of my previously owned (8) bikes. In the future, when its time to get a new one, i'll probably go again with the latest available version of this bike.
Enjoy spring rides!