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.
What is DPD and how does it work? The DPD is a method that uses colorimetric detection as a means to measure the amount of chlorine in a system. It stands for N,N-diethyl-p-phenylendiamine sulfate and the reaction between DPD and active halogens is what is detected and measured.