BMW G310GS - Owner's Manual > Battery

Maintenance instructions

Correct upkeep, recharging and storage will prolong the life of the battery and are essential if warranty claims are to be considered.

Compliance with the points below is important in order to maximise battery life:

• Keep the surface of the battery clean and dry.
• Do not open the battery.
• Do not top up with water.
• Be sure to read and comply with the instructions for charging the battery on the following pages.
• Do not turn the battery upside down.

ATTENTION On-board electronics (e.g. clock) draining connected battery

Battery is deep-discharged; this voids the guarantee

• Connect a float charger to the battery if the motorcycle is to remain out of use for more than four weeks.

NOTICE

BMW Motorrad has developed a float charger specially designed for compatibility with the electronics of your motorcycle. Using this charger, you can keep the battery charged during long periods of disuse, without having to disconnect the battery from the motorcycle's on-board systems.

You can obtain additional information from your authorised BMW Motorrad dealer.

Recharging connected battery

ATTENTION Charging the battery that is connected to the vehicle via the battery terminals

Damage to the on-board electronics

• Disconnect the battery at the battery terminals before charging.

 

• Disconnecting battery from motorcycle.

Recharging disconnected battery

• Disconnecting battery from motorcycle.
• charge the battery using a suitable charger.
• Comply with the operating instructions of the charger.
• Once the battery is fully charged, disconnect the charger's terminal clips from the battery terminals.

NOTICE The battery has to be recharged at regular intervals in the course of a lengthy period of disuse.

See the instructions for caring for your battery. Always fully recharge the battery before restoring it to use.

• Connecting battery to motorcycle.

Disconnecting battery from motorcycle

• Make sure the ground is level and firm and place the motorcycle on its stand.
• Remove seat.

ATTENTION Battery not disconnected in accordance with correct procedure

Risk of short-circuit

• Always proceed in compliance with the specified disconnection sequence.

 

• Disconnect the battery earth lead 1 first.
• Then push the protective cap 3 to the side and disconnect the positive battery cable 2.

Connecting battery to motorcycle

• First install the positive battery cable 2 and cover with the protective cap 3.
• Then install battery negative lead 1.
• Installing the seat.

Removing battery

• Remove seat.
• Disconnecting battery from motorcycle.

• Remove screw 1.

• Unhook and lift up the holder 1 on the left.
• Unloosen the holder from the battery tray 2 on the right.
  • The holder is now only attached to the wiring harness 3.
• Push the holder and the wiring harness to the right out of the way.
  • You can now remove the battery.
• Lift the battery 4 up and out.

  Work it back and forth slightly if it is difficult to remove.

Installing battery

• Place the battery 4 in the battery compartment with the positive terminal on the right in the direction of travel.
• Attach the right side of the holder to the battery tray 2.
• Fold the holder 1 down and attach on the left.
  • The wiring harness 3 is now back in its initial position.

• Install screw 1.
• Connecting battery to motorcycle.
• Installing the seat.

NOTICE If the battery was disconnected from the motorcycle for a prolonged period of time it will be necessary to enter the current date in the instrument panel, in order to ensure that the service-due indicator functions correctly.

• Setting the date.

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