Ordered X5 - Have Purchase Question

[nd200]

Hi Folks,

I just ordered my first BMW about 6 weeks ago. It's an alpine white 2012 X5 xDrive35i Premium with
Leather Nevada Cinnamon Brown Convenience Package
Space-saver spare
BMW Apps
Multi-contour seats



It was released to the carrier early this week and should be here in 2 -3 weeks (everyday seems like a month). I am thinking of taking the 2.9% financing rate offered by BMW as it is a low rate. I have never financed a vehicle before and usually pay cash. I would appreciate if anyone could provide some feed back on what sort of additional dealer/finance charges could be involved in financing versus paying cash. Thanks.