The BMW CleanEnergy screensaver for your Mac.

Clean energy for your screen: You can install the BMW CleanEnergy screensaver on your computer quickly and easily once you have loaded the screensaver file onto your computer.
For Mac OS 9: unpack the SIT file on your desktop. Copy the unpacked file to the "Control fields" directory and restart your computer.
For Mac OS X: unpack the SIT file on your desktop and then double click to start the installation file.