BMW 7 Series: Battery
- (Safety) Information On AGM Battery
- Battery Replacement Information
- Disconnecting And Connecting Negative Battery Cable
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(Safety) Information On AGM Battery
Fig. 188: Identifying AGM Battery
Introduction
In September 2002, the first so-called VRLA batteries, better known as AGM
batteries came into use. (VRLA
means V alve R egulated L ead A cid, i.e. lea
Battery Replacement Information
A vehicle battery is constructed for the installation location and the
individual power requirements of the
particular vehicle. These individual power requirements depend on the
motorization and dif
Disconnecting And Connecting Negative Battery Cable
WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Follow instructions FOR DISCONNECTING AND CONNECTING BATTERY !
Observe notes on POWER SUPPLY /on intelligent battery sensor (IBS).
N
SEE MORE:
Check BMW Diagnosis System For Excess Pressure And Vacuum (N63)
IMPORTANT: Excess pressure and vacuum lines are identified by the size of
the connection
fittings and color-coded red and blue and must not be mixed up with each
other.
Build up pressure with Blue color.
Generate vacuum pressure with Red color.
Mixing up the functions will result in damage to th
System Overview
The Telematics Control Unit (TCU) and the interface box 'High' (ULF-SBX-H)
control units are connected to
the MOST bus. TCU and interface box 'High' may both be fitted in the vehicle for
certain equipment options. In
this case, the telephone function is always implemented in the TCU.
The head uni
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