I have torn the dash down to the floor , its easy, it just takes time.
I did an AC blower motor a month ago on my X5. I had to remove everything from the steering wheel / air bags to the console. I had a shop repair CD and it had step by step directions with pictures on how to do it.
I got the CD off the internet for about 9 bucks.

There are some special tools required you can pick op at your local auto parts store for cheap.

It took me two days to complete the job and I am disabled.