Battery - BMW G12 2015 Technical Training Manual

G12￿Voltage￿Supply￿and￿Bus￿Systems
3.￿Voltage￿Supply
3.2.2.￿Overview￿of￿engine￿compartment
Auxiliary￿battery,￿engine￿compartment
Index
1
2
3
4
3.2.3.￿Battery
AGM￿batteries￿are￿used￿for￿the￿voltage￿supply￿in￿the￿G12.
There￿may￿by￿1,￿2￿or￿3￿batteries￿in￿the￿vehicle￿depending￿on￿the￿engine￿version￿and￿vehicle
equipment.
• Starter￿battery￿in￿the￿luggage￿compartment￿with￿105￿Ah
• Auxiliary￿battery￿in￿the￿engine￿compartment￿with￿60￿Ah
• Auxiliary￿battery￿in￿the￿luggage￿compartment￿with￿12￿Ah￿for￿vehicles￿with￿24￿V￿steering
An￿auxiliary￿battery￿in￿the￿engine￿compartment￿is￿used￿on￿vehicles￿with￿Electric￿Active￿Roll
Stabilization,￿the￿two￿anti-roll￿bar￿actuators￿are￿supplied￿with￿power￿by￿this￿battery.￿Also,￿it￿provides
assistance￿for￿the￿vehicle￿electrical￿system￿during￿engine￿off￿conditions￿(MSA).
Explanation
Power￿distribution￿box,￿engine￿compartment
Auxiliary￿battery,￿engine￿compartment
Power￿distribution￿box,￿auxiliary￿battery,￿engine￿compartment
Jump￿start￿terminal￿point
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