This detailed guide will teach you how to program your garage door opener in your BMW. Setting up and using the HomeLink system in your new BMW is a simple and straightforward process. It shouldn't take more than a few minutes. Things you need to program the BMW HomeLink: 1. Get your current garage door opener remote. Move your BMW outside of the garage. 2. Be within range of the garage or gate but do not be in the path of door opening/closing. 3. Get ladder, open garage door opener control pane