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BMW has announced an improved version of the BMW Digital Key feature for iPhone. With Digital Key Plus, drivers will be able to unlock and start their car without taking their phone out of their pocket or bag.
The automaker leverages the ultra-wideband (UWB) capabilities of the U1 chip, which Apple introduced with the iPhone 11. Short-range, high-bandwidth radio technology supports features that require precise location and high levels of security. such as authenticating a driver and automatically unlocking their car door. As BMW notes, with UWB it is impossible to conduct relay attacks, which block or intercept a radio signal.
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