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.
For example, all files created with a WordPerfect word processor can be associated with a .wpd suffix. That way, a user can easily distinguish it as a file created with that word processor from files created with other tools and selectively process a number of similar files.