BMW 5 Series: 24 V Electronic Power Steering
The greater weight of the engines in the G30 on vehicles with 8-cylinder engines results in a higher front axle load. This has the effect that the required power of the steering assist increases. Due to these high currents, it is necessary to increase the voltage supply of the EPS to 24 V.
An auxiliary battery, separating element and a charging unit for the auxiliary battery are required for this. These components are installed in the luggage compartment of the G30.
The charging unit monitors the state of charge and also charges the auxiliary battery using a DC/DC converter. The EPS is only supplied with 24 V once this relay has been activated. The EPS can also be operated with 12 V in the event of a fault.
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Voltage supply for 24 V steering
- Dynamic Stability Control (DSC)
- Digital Motor Electronics (DME)
- Electronic Power Steering (EPS)
- Fuse for front right power distribution box
- Body Domain Controller (BDC)
- Fuse in the rear power distribution box
- Power Control Unit PCU 150 W
- Separator
- Auxiliary battery in the luggage compartment
- Fuse in the power distribution box, battery
- Battery
- Advanced Crash Safety Module (ACSM)
- Brake light switch
- Steering column switch cluster (SZL)
- Instrument panel (KOMBI)
Auxiliary battery with separating element
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Battery and separating element
- Auxiliary battery in the luggage compartment
- Separator
Power Control Unit
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150 W Power Control Unit
The Power Control Unit monitors the state of charge and also charges the auxiliary battery using a DC/DC converter.
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Introduction, Vehicle conditions
Introduction
The terminal control in the G30 is identical to the terminal control of the
G12. In the G30, the vehicle
is always in the right condition from the point of view of the customer. The
ter
Power supply terminals
Control units in the vehicle must be supplied with power only when they are
needed. The following
terminals are used in the G30:
Terminal 15N
Terminal 30B
Terminal 30F
Terminal 30
Terminal 15N
SEE MORE:
Operation
General information
This chapter describes functions that are operated
in a different way to the way they are operated
in the front, or are only available in the rear.
Music hard disk
Saving of music via CD/DVD is only possible
in front.
The export and import of data is only possible
via the US
Headphones
Corded headphones
Headphones and compatible headsets can be
connected using a jack plug 1/8"/3.5 mm on the
rear CD/DVD/Blu-ray player.
Cordless headphones
General information
Suitable wireless headphones are available from
a dealer's service center or another qualified
service center or repair shop.
