[biterror]

Originally Posted by TurtleBoy

This is not correct since the X5 uses the brake energy regeneration system.

https://www.autobytel.com/car-owners...ration-123423/

How is it not true? Sure, the car charges the battery when you slow down, but if regeneration lasts for a few seconds and the alternator can only charge at, say, 2 kW, the amount of energy recovered is pretty small. (And the battery may not use too many amps to charge unless it's real empty.)