BMW 7 Series: Battery
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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
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
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:
REMOVING AND INSTALLING (REPLACING) TELEMATIC COMMUNICATION BOX
IMPORTANT: Read and comply with notes on protection against electrical
damage (ESD
PROTECTION).
Comply with notes and instructions on HANDLING OPTICAL FIBRES.
Necessary preliminary work:
Clamp off BATTERY NEGATIVE LEAD.
Remove LEFT
The following information for the technician is described in this section:
Adjusting the brightness
Adjusting the height of the horizon on the HUD
Vertical rotation of the image
Test functions
Replacing the HUD
HUD
Diagnostics
Adjusting the Brightness
The brightness of the HUD can be indivi