Go to: http://www.realoem.com/bmw/showparts...49&hg=51&fg=15 to get the part numbers.

And enter the part numbers onto http://www.ecstuning.com to get the prices.

The PDC sensors are expensive!! I've got my X5 hit as well and have to have the whole front bumper, both fenders, engine hood, and most of the front components like the radiator, fan all replaced.