A BMWs drive belt powers the accessories like the alternator, water pump(except some newer models), power steering pump, A/C compressor and the fan. It would make sense then, that reducing the amount of power these accessories draw from the engines output, the more power you have at the wheels.
Windows Portable Devices. Windows Portable Devices (WPD) is a driver technology that supports a wide range of portable devices such as mobile phones, digital cameras, and portable media players.
The main way electricity consumption is measured is with the unit âwatt-hourâ. A watt (W) is a measure of electrical power. Light bulbs are marked with a watt rating, such as 40 W, and so are appliances like air-blow heaters (around 1,000 W). In fact, most appliances have a compliance badge that will give you an indication of the amount of electrical power it needs to work.