The hi-tech car key you can take surfing: BMW digital card now available on its cheapest model

Hiding your car key under a beach towel or in your shoes could soon be a thing of the past. Most modern car keys can’t be taken into the water and contain tiny hi-tech immobilisers and cost in excess of $200 to replace. Surfers, beach-goers and bushwalkers have faced this dilemma for more than a decade as more vehicles adopted sensor keys, but an increasing number of car companies are coming up with innovative options.

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