While surfing the net I came upon a website that gives you a wide variety of free wallpaper for your personl computer. While skimming through the car wallpaper I found wallpaper of our beloved 540i.
How to get BMW wallpaper
1. Go to internet connection on the toolbar
2. Write pcwpaper.com & press return
3. Click cancel
4. Click center icon
5. Over on the left click car
6. Click on BMW
7. Find 540i paper and enlarge
8. Right click and hold on image of 540i and
scroll down to "set as wallpaper"
9. Enjoy the wallpaper.