Imagine you are walking through a parking lot, and you see a sleek, white car. You blink, and suddenly the car is bright red. You blink again, and now it has purple and yellow racing stripes. No, you aren’t dreaming, and no, a painter didn't just work at lightning speed. You are looking at the BMW i Vision Dee, a car that can literally change its "skin" color in seconds.
Unveiled as a concept for the future, "Dee" is changing how we think about cars. Here is everything you need to know about this high-tech chameleon.
The name Dee actually stands for Digital Emotional Experience. BMW didn't just want to build a machine that gets you from point A to point B; they wanted to build a "digital companion."
The car is a "minimalist" sedan, which means it looks very simple and clean on the outside. But underneath that simple look is some of the most advanced technology on the planet. While most cars are just metal and paint, Dee is more like a giant smartphone on wheels.
This is the part that feels like magic. The car doesn’t use regular liquid paint. Instead, the entire body is covered in something called E Ink.
If you’ve ever seen a Kindle or an e-reader, you’ve seen E Ink before. It’s a special film made of millions of tiny microcapsules. Inside these capsules are different color pigments. When a tiny bit of electricity is sent through the film, the pigments move to the surface, changing the color you see.
The Upgrade: A few years ago, BMW showed a car that could only switch between black, white, and gray. But the Dee model can display up to 32 different colors.
The Details: The car's exterior is divided into 240 different "segments." Because each segment can be controlled separately, the car doesn't just have to be one solid color. It can have patterns, stripes, or even "digital art" moving across the doors and hood.
Dee doesn’t just change color; it can talk to you. The front of the car (the "grille" and the headlights) is actually a giant digital screen. Using this screen, the car can make "facial expressions."
If the car is "happy" to see you, the headlights might squint into a smile. If it’s "surprised," the digital eyes might go wide. It can even project an image of your own digital avatar onto the side window to welcome you as you walk up to it!
Inside the car, things get even crazier. There are no traditional screens on the dashboard. Instead, the entire windshield is the screen.
This is done using a Mixed Reality Slider on the dashboard. You can choose how much "digital stuff" you want to see:
Level 1: Just basic info, like your speed.
Level 2: Navigation arrows that look like they are floating on the actual road.
Level 3: Social media notifications or messages.
Level 4: A full virtual world where the windows dim and the windshield shows a digital landscape (meant for when the car is parked or driving itself).
You might be wondering, "Why do I need a car that changes color?"
Besides looking incredibly cool, there are practical reasons. On a hot, sunny day, you could turn your car white to reflect the sun and stay cool. On a cloudy day, you could turn it black to soak up the heat. It also means you never have to choose just one color when you buy a car—your car can match your outfit, your mood, or even your favorite sports team every single day.
As of 2026, the "Dee" is still a concept car, which means it’s a laboratory for new ideas. While you can't go to a dealership and buy a 32-color car quite yet, BMW has started putting parts of this technology (like the giant windshield displays) into their "Neue Klasse" (New Class) vehicles.
We are moving toward a future where cars aren't just tools—they are friends that can change their look as fast as you can change your mind!