How do you program the home link garage door opener in a 2008 BMW 650?

To program the HomeLink garage door opener in a 2008 BMW 650, first ensure that your vehicle is in the "On" or "Run" position. Press and hold the two outer HomeLink buttons until the indicator light begins to flash, then release both buttons. Next, press and hold the HomeLink button you wish to program while simultaneously pressing the garage door opener remote until the HomeLink light changes from a slow blink to a rapid blink. Finally, press the programmed HomeLink button to test the garage door operation.