Happened to me too around 110k km. Fortunately not much damage. We get serviced at our stealership so we covered the labour and BWM covered the parts. Yeah, I wasn't happy stranded inthe middle of the highway........... and they say this is not a safety issue !?!?!?!??
Current : 2013 Mini Countryman JCW
Past: '88 E30 M3, '69 BMW 2002 Ti, 2000 328i, Audi A6 TT, BMW X5 3.0i , Audi A4 1.8T