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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 Fuel preparation

The fuel preparation has again been adapted to meet the emission legislation requirements. The high pressure pump and the injectors have been revised and designed for an fuel injection pressure of 350 bar (5076 psi). Overview of fuel preparation Fuel delivery line Rail pressure sensor Di

 Data protection

Data transfer Concept The vehicle offers different services, whose use requires a data transfer to BMW or a service provider. The data transfer can be deactivated for some services. General information When the data transfer is deactivated, the respective service cannot be used. Only make these se

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