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 .wpd extension is most commonly assigned to files that have been created in Corel WordPerfect. WordPerfect is a word processing application that is included with purchase of the WordPerfect Office suite. WPD files can contain tables, drawn objects, formatted text and graphics.