Here are a couple of YouTube links that are helpful I found. I've seen this unit installed on other models on You tube like Porsche & MB and Audi and it looks huge or it was made for the car. Because BMW uses longer head units in the X5-5-7 series they look smaller.

BMW X5 Factory Navigation and DSP bypassed Alpine Navigation AL & EDS LA - YouTube


Alpine INE-S920HD Demo Power up VIDEO HOW TO AL & ED'S AUTOSOUND Los Angeles - YouTube

Alpine INE-S920HD Multimedia Receiver - YouTube

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2002 X5 4.4i Sport Wheels
2014 X5 35i M Appearance & suspension package
1995 Porsche 993
1972 Porsche 914-6
2020 GLE 450 Twin Turbo
2019 Alfa Stelvio 500hp Quadrifogilo
Many motorcycles