Brake energy regeneration.
Until now, braking meant losing energy. Brake Energy Regeneration puts an end to this by winning energy back during braking and storing it in the high-performance battery.
Kinetic energy released during braking or deceleration is stored in a high-performance battery in the BMW ActiveHybrid 5. It is then available again for the drive train. That saves fuel, as the energy is not lost. In addition, it can be used at any time to increase overall performance. And that means as soon as you take your foot off the accelerator or apply the brakes, the brake energy regeneration function uses the energy released to charge the battery. As a result, the strain on the engine is reduced, resulting in a considerable decrease in emissions. Consequently, more power is available for acceleration while simultaneously reducing fuel consumption.