Vehicle battery
Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery.
Your service center will be glad to advise you on questions regarding the battery.
Battery replacement
Use approved vehicle batteries
only
Only use vehicle batteries that have been approved for your vehicle by the manufacturer; otherwise, the vehicle could be damaged and systems or functions may not be fully available.
After a battery replacement, have the battery registered on the vehicle by your service center to ensure that all comfort functions are fully available and that any Check Control messages are no longer displayed.
Charging the battery
In the vehicle, only charge the battery via the starting aid terminals, in the engine compartment with the engine off.
Power failure
After a temporary power loss, some equipment needs to be reinitialized.
Individual settings need to be reprogrammed:
▷ Seat and mirror memory: store the positions again.
▷ Time: update.
▷ Date: update.
▷ Radio station: save again.
▷ Navigation system: wait for the operability of the navigation.
Disposing of old batteries

Have old batteries disposed of by your service center or bring them to a recycling center.
Maintain the battery in an upright position for transport and storage. Secure the battery so that it does not tip over during transport.
See also:
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
Supplementary text messages
Addition information, such as on the cause of a
fault or the required action, can be called up via
Check Control.
The supplementary text of urgent messages is
automatically displayed on the Cont ...
BMW X5: rear
BMW X5: rear
1. Lift off the wiper arm completely and pull off
the wiper blade, refer to arrow.
2. Mount the new wiper blade and press on
until it is heard to engageLamp and bulb replacement ...
