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
Necessary preliminary work
Remove BOTH REAR WHEELS.
IMPORTANT: The following work must only be carried of ISID diagnosis
system with
software version 02.21 or later.
Delete fault memory.
Check function of actuator unit.
If actuator unit is defective, set BMW diagnosis workshop mode.
Operatin
The rear seat entertainment system consists of the following components:
RSE control unit with DVD player
One FBAS/CVBS (composite video baseland signal) video signal input
Two separate AV (audio video) inputs
Headphone connections in the rear center console
Two 8" rear displays (built into th