Sorry, only G00gle translation:
Power Saver "PowerSaver"
Over the course of time, older vehicles are being retrofitted with more and more modern technology. This will eventually cause the vehicle battery to discharge after extended periods of use and the engine can not be started.
In modern vehicles, therefore, many systems / control units are switched off for a certain time (about half an hour) after leaving the vehicle.
The reason to build this module was originally only to switch off a retrofitted radio remote control after a long period of time (eg 24 hours), since after a few days in which you have not used it, the vehicle can be unlocked with the key if it is Then jump easily. On longer trips, or when the vehicle is needed daily, it can be opened at any time by remote control.
The countdown of the "power saver" is activated when the car is closed and the connected load (receiver of the remote control, chargers for I-pod / mobile / navi etc.) is activated after a time set in programming the microcontroller (1 minute to approx 45 days).
Furthermore, the "power saver" monitors the battery voltage and also disconnects the connected devices before the timer expires when the voltage drops below a previously programmed limit value.
The additional power consumption of the module during the countdown is kept very low with approx. 4 mA. The "PowerSaver" can be used in all vehicles equipped with the original door-opening "Ghost-Doors" installation kit.
For vehicles without Ghost-Doors, a universally applicable version is available which additionally provides a + 12V terminal, which is connected to the central locking system. In this case, consumers can be connected to the power-saving circuit, which are switched off immediately as the vehicle is terminated. This version can be used in all 12V vehicles with conventional central locking.
At the moment several modules in different Z1 have worked without problems for years.
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