BMW F48 - Battery Details; Intelligent Battery Sensor (IBS)

F48�General�Vehicle�Electronics
2.�Voltage�Supply
27
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 Explanation
1 Negative�battery�terminal
2 Intelligent�battery�sensor�(IBS)
3 Battery�earth�lead
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).