KERS for road cars

Formula 1 has been experimenting with Kinetic Energy Recovery System on their cars.
It was interesting watching a KERS fitted car simply drive past a Ferrari on
the straight.
KERS just provides a boost during acceleration, recovering energy when slowing down or idling. It is not a full hybrid (like say the Toyota Prius).
This would suggest that a KERS would be a way of providing top end performance with mid range or diesel engines and providing the necessary boost for overtaking.
Will we see KERS in road cars in particular BMW's?

R. Mark Clayton
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