BMW Motorrad R 1200 GS Rider's Manual page 149

Battery maintenance instructions
BMW Motorrad has developed
a trickle-charger specially
designed for compatibility with
the electronics of your motorcy-
cle. Using this charger, you can
keep the battery charged dur-
ing long periods of disuse, with-
out having to disconnect the
battery from the motorcycle's
on-board systems. Your autho-
rized BMW Motorrad retailer will
be happy to provide you with
more information.
You can charge a battery that is
not completely flat via the on-
board socket. To do so:
• Disconnect electrical acces-
sories, if any, connected to
the second on-board socket
• Switch on the ignition
• Plug in the charger
• Switch off the ignition
The motorcycle's on-board
electronics know when the bat-
tery is fully charged. In this case
the on-board socket is deener-
gized. If you are unable to
charge the battery via the on-
board socket, then the charger
used may not be matched to
the electronics of your motorcy-
cle. In this case, please charge
the battery directly at the
terminals.
Remember that you must dis-
connect the battery from the
on-board systems if you want to
connect your charger directly to
the battery terminals.
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