Using your car key as a payment method may not be something you've always wanted, but BMW and technological partner NXP are betting it will become a must-have feature once people are aware of it. The system combines a high-tech microchip system with a vehicle's key fob to produce a secure contactless payment system and key in one package, ready to pay for everything from parking, tolls and maintenance to groceries and clothing. Citing convenience and ease-of-use as two of the primary benefits, BMW and NXP are angling for a new type of technological integration that more closely intertwines the vehicle into daily life routines - a brilliant strategy from a marketing perspective.

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