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 identification number

Engine compartment The vehicle identification number can be found in the engine compartment, on the right-hand side of the vehicle. Windshield The vehicle identification number can also be found behind the windshield. iDrive It is also possible to display the vehicle identification number via iD

 Adapted control units

It was necessary to adapt the IHKA to enable activation of the electric A/C compressor (EKK) in all operating conditions. The electric A/C compressor control unit communicates with the IHKA via the LIN bus. To be able to show additional displays for driving readiness, electric driving, brake ene

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