Apple and BMW work to make digital keys smarter and more secure The new Digital Key Plus will debut with the BMW iX electric SUV, with lots of help from the tech giant.

With your car keys in your smartphone it'll be harder to misplace your keys — but the pressure is really on to keep track of your phone. At the Mobile World Congress in Barcelona on Monday, BMW ...

There's the button that unlocks the car's doors and the one that pops the trunk. And then, on some BMWs, the key fob has a button with a diamond on it.

A high-tech key fob with a digital screen sounds and is pretty neat, but the BMW 7-Series' new Display Key has an even neater feature, as it allows you to ...