Battery - BMW F48 Technical Training Manual

F48￿General￿Vehicle￿Electronics
2.￿Voltage￿Supply
2.2.1.￿Battery
AGM￿battery
Depending￿on￿the￿equipment￿package,￿either￿a￿70 Ah￿AGM￿battery￿or￿80 Ah￿AGM￿battery￿is￿installed
in￿the￿engine￿compartment￿in￿the￿F48.
2.2.2.￿Intelligent￿battery￿sensor
Intelligent￿battery￿sensor
Index
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2
3
The￿intelligent￿battery￿sensor￿(IBS)￿records￿the￿following￿data￿of￿the￿battery:
• Voltage
• Current
• Pole￿temperature
The￿IBS￿performs￿the￿calculation￿and￿the￿evaluation￿of￿the￿information.￿The￿results￿are￿then￿forwarded
to￿the￿superior￿control￿units￿via￿local￿interconnect￿network￿bus￿(DME￿and￿BDC).
Explanation
Negative￿battery￿terminal
Intelligent￿battery￿sensor￿(IBS)
Battery￿earth￿lead
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