BMW G12 2015 Technical Training Manual page 55

G12￿Voltage￿Supply￿and￿Bus￿Systems
2.￿Control￿Units
Electric￿Active￿Roll￿Stabilization￿rear,￿EARSH
The￿control￿units￿for￿Electric￿Active￿Roll￿Stabilization￿are￿installed￿directly￿in￿the￿corresponding
actuator.
2.11.4.￿Electronic￿Power￿Steering￿(EPS)
Electronic￿Power￿Steering,￿EPS
The￿Electronic￿Power￿Steering￿(electromechanical￿power￿steering)￿is￿supplied￿with￿a￿voltage￿of￿12 V￿or
24 V￿depending￿on￿the￿equipment￿and￿engine￿type.
An￿auxiliary￿battery,￿a￿separating￿element￿and￿a￿charging￿unit￿for￿the￿auxiliary￿battery￿are￿required￿for
the￿24 V￿version.￿These￿components￿are￿installed￿in￿the￿luggage￿compartment￿of￿the￿G12.
The￿steering￿angle￿information￿is￿determined￿by￿the￿EPS￿and￿made￿available￿to￿the￿other￿control￿units
via￿the￿FlexRay￿bus.
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