BTW: Only other thing I can think of is the water pump bearing went and belt alignment was off. Any water dripping out from under the X?

Now's the time to change the tensioners, pulleys, and belts since they're coming off anyway (unless you've recently done this).

__________________
Kirk
Las Vegas
2016 X5 40e Mineral White/Black Dakota Leather, ZLL, ZCW, ZDA, ZDB, ZPP, multi contour seats, rear side window shades, HK stereo
2011 E90M3, 6-speed manual