That could be of use if you're lending your auto to a teen driver, for example, and you can revoke the keys later at any time.
At the World Wide Developer Conference, Apple introduced a feature that will allow you to unlock your auto using just your Apple iPhone.
In an associated support guide, BMW highlighted several features of its Digital Key, such as the ability to tap-to-unlock a BMW and start the vehicle by placing a device in a compatible Qi wireless charging tray.
The technology is built into the UWB U1 chip, which Apple says will at some point allow all automakers to safely detect the phone's position and proximity, even if it's at the bottom of your bag.
BMW has also announced that it's electric cars will get additional features if you use the wireless Apple CarPlay function. Access management can be done through the Apple wallet or from inside the auto.
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'They are even easier to share than a physical key.
Apple has unveiled its latest trick with CarKey, a new way to wirelessly unlock your vehicle with your iPhone.
The German carmaker has also confirmed that the feature will be available on any of the following vehicles if they are manufactured after 1st July: 1 Series, 2 Series, 3 Series, 4 Series, 5 Series, 6 Series, 8 Series, X5, X6, X7, X5M, X6M and Z4. Apple announced that it is already working with the auto industry to make the feature for more cars and expand the system with other manufacturers. The auto will then start when your iPhone is placed in the smartphone tray and you press the engine start button.
'With each key you share, you can set options like a restricted driver profile.
The idea isn't actually a new one; back in 2018 a group of major smartphone and automotive brands in the Car Connectivity Consortium revealed a new standardised approach to NFC-unlocking technology, with Apple, Audi, BMW, General Motors, Hyundai, LG, Panasonic, Samsung and Volkswagen all involved. The Digital Key app is compatible with iPhones ranging from the iPhone XR, iPhone XS or newer and Apple Watch Series 5 and newer.