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BMW Wireless Charging – Demonstration

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BMW Wireless Charging – Demonstration. BMW Wireless Charging for the high-voltage battery will be made available as an option for the BMW 530e iPerformance from 2018. This technology allows energy transfer to take place without the use of cables. Presented by BMW in prototype form, the system consists of a base pad with integrated primary coil – which can be installed in a garage, for example, but also in the open – and a secondary coil integrated in the underside of the vehicle. An alternating magnetic field is generated between the two coils, through which electricity is transmitted without cables or contacts at a charge rate of up to 3.2 kW. This form of power supply to the high-voltage battery is extremely convenient for customers and involves a charging time of around three-and-a-half hours.

The BMW 530e iPerformance is a sporty sedan that serves up the dynamic driving experience for which the brand is renowned, combined with the possibility of electric driving with zero local emissions.

The BMW eDrive system’s state-of-the-art electric motor has an output of 113 horspeoer (83 kW) and places maximum torque of 250 Nm (184 lb-ft) on tap, while the four-cylinder combustion engine with its 2.0-litre displacement generates 1!4 hp (135 kW) and 320 Nm (236 lb-ft) of torque. The combination of motor and engine keeps the CO2 emissions of the BMW 530e iPerformance very low at just 44 g/km. The overall system output of 252 hp (185 kW) and combined peak torque of 420 Nm (310 lb-ft) propel the

BMW 530e iPerformance from 0 to 100 km/h (62 mph) in 6.2 seconds and enable it to reach a top speed of 235 km/h (146 mph). The BMW 530e iPerformance has a range of up to 650 kilometres (404 miles) in real-world driving and is capable of covering distances of up to 50 kilometres (31 miles) purely on electric power at a maximum speed of 140 km/h (87 mph). The electric motor and combustion engine direct their power to the sedan’s rear wheels via the standard eight-speed Steptronic transmission. Positioning the electric motor upstream from the transmission allows the transmission’s ratios to be used in all-electric mode too. This dispenses with the need for a torque converter, something that goes a long way towards offsetting the weight penalty of the additional drive unit.

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