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:
Control Unit Box
REMOVING AND INSTALLING/REPLACING ELECTRONICS BOX
IMPORTANT: Read and comply with notes on protection against electrostatic
damage (ESD
protection).
NOTE: Follow instructions for removing and installing CONTROL UNITS !
Necessary preliminary work
Read fault memory.
Disconnect BATTERY EARTH LEAD.
Replacing Vacuum Hose For Brake Booster
IMPORTANT: Before beginning work, fully press the brake pedal several
times to reduce the
vacuum pressure in the brake booster. This makes it easier to remove the
vacuum hose.
Vacuum hose and non-return valve are welded together and are replaced
together as a single unit.
Necessary preliminary tas
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