BMW 3 Owners & Service Manuals

BMW 3: Data memory

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 General information

Electronic control devices are installed in the vehicle. Electronic control units process data they receive from vehicle sensors, self-generate or exchange with each other. Some control units are nec

 Data entry and data transfer into the vehicle

General information Depending on the vehicle equipment, comfort and individual settings can be stored in the vehicle and modified or reset at any time. For example, this includes: Settings for the

 Services

General information If the vehicle has a wireless network connection, this enables data to be exchanged between the vehicle and other systems. The wireless network connection is realized via an in-veh

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 Vehicle Sound Generator (VSG)

In the G20 PHEV an acoustic protection for pedestrians is used as standard. To protect pedestrians a distinctive sound created specially for electric BMW models is generated during electric driving. In comparison with the predecessor model, this is no longer a K CAN3 control unit with integrated

 Equipotential bonding

The low-resistance connection between the housing of the high-voltage battery unit and ground is a crucial prerequisite for the fault-free function of the integrated isolation monitoring. This is why it is important to observe the correct tightening torque for all assembly screws. It is also impo

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