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Keys have evolved quite a bit over the last century. Most cars don’t require that you use a traditional key anymore, and proximity sensors take away the need to even lock and unlock a vehicle’s doors. While some of us appreciate the satisfying sensation of pressing a button or turning a key, it’s grown unnecessary. But some automakers want to take things a step further and abandon keys altogether.

We’ve heard BMW mention this before. Back in 2017, the brand’s head of sales said the automaker was actively reassessing the practical value of car keys now that keyless entry is the norm. “Honestly, how many people really need [keys],” Robertson said. “They never take it out of their pocket, so why do I need to carry it around?”

Now, the Car Connectivity Consortium (CCC), which includes BMW, General Motors, Hyundai, Volkswagen, Audi, Lincoln, Apple, LG, Samsung, Panasonic, and more, has published the Digital Key Release 1.0 specification. The aim is to establish a standardized solution for the industry that enables drivers to download a digital key onto their smart devices and use it on every vehicle they own.

Way back when the sun first rose on the automobile, hand cranking was the preferred way to start an engine. Keys didn’t really come into fashion until magneto and coil-operated ignition systems were mainstreamed. But the car key has evolved since its infancy as a finely shaped lump of metal. Modern keys aren’t even keys in the traditional sense, they’re short-range radio transmitters with a transponder chip that disarms a vehicle immobiliser.

BMW is reassessing the practical value of car keys entirely, according to Ian Robertson, the company’s board member responsible for sales. Robertson, struck with the divine sight, envisions a hypothetical world where your smartphone performs double duty — eliminating the need to lug around the extra nine grams of metal associated with car keys.