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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 Belt drive

Comparison belt drive B46 engine and B46TU/B48TU engines B46 Engine (transverse installation shown) B46TU/B48TU engines (transverse installation shown) Deflecting element Alternator Coolant pump Air conditioning compressor Ribbed belt Torsional vibration damper Belt tensioner The

 Regenerative braking

The regenerative braking makes possible brake energy regeneration. The electrical machine works here as an alternator and brakes the gears via automatic transmission - propeller shaft - rear axle differential - output shafts. The high-voltage battery unit is charged with the energy

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