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EnglishReplacing components -> Vehicle battery for your BMW i8 2014-2020
Replacing components
MOBILITY
Safety information
Replacing the vehicle battery
General information
Warning
The manufacturer of your vehicle recommends
that you have a dealer's service center or another
qualified service center or repair shop register
the vehicle battery to the vehicle after the battery
has been replaced. Once the battery has been
registered again, all comfort features will be avail‐
able without restriction and any Check Control
messages displayed which relate to comfort fea‐
tures will disappear.
Focused laser light can irritate or permanently
damage the retina of the eye. There is a risk of
injury. The manufacturer of your vehicle recom‐
mends that the work on the lighting system in‐
cluding bulb replacement be performed by a
dealer’s service center or another qualified
service center or repair shop.
Warning
Safety information
Intensive brightness can irritate or damage the
retina of the eye. There is a risk of injury. Do not
look directly into the headlights or other light
sources. Do not remove the LED covers.
Warning
Vehicle batteries that are not compatible can
damage vehicle systems and impair vehicle
functions. There is a risk of an accident and
damage to property. Only vehicle batteries that
are compatible with your vehicle type should be
installed in your vehicle. Information on com‐
patible vehicle batteries is available at your
dealer’s service center.
Headlight glass
Condensation can form on the inside of the
headlight glass in cool or humid weather. When
driving with the lights switched on, the conden‐
sation evaporates after a short time. The head‐
light glass does not need to be changed.
If despite driving with the headlights switched on,
increasing humidity forms, for instance water
droplets in the light, have the headlights
checked.
Charging the vehicle battery
General information
For charging a discharged battery, refer to
page 200.
Vehicle battery
Safety information
The vehicle battery has 12 volts. The battery
supplies the onboard electronics with energy.
NOTICE
For information about the high-voltage system,
refer to page 192.
Non-compatible external chargers can damage
the vehicle. There is a risk of an accident and
damage to property. Only loading devices that
are compatible with your vehicle and that are
below the maximum charge voltage should be
used to charge your vehicle. Information on
compatible chargers is available at your dealer’s
service center.
Maintenance
The battery is maintenance-free.
More information about the battery can be re‐
quested from a dealer's service center or another
qualified service center or repair shop.
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Replacing components
MOBILITY
Power failure
Accessing the fuses
After a power loss, some equipment needs to be
newly initialized or individual settings updated, for
example:
The fuses are located in the passenger floor area
under the dashboard.
1. To open, loosen screws, arrows 1.
▷ Time: update.
▷ Date: update.
Disposing of old batteries
Have old batteries disposed of by a deal‐
er’s service center or another qualified
service center or repair shop or take
them to a collection point.
Maintain the filled battery in an upright position
for transport and storage. Secure the battery so
that it does not tip over during transport.
2. Remove cover, arrow 2.
Proceed in the reverse order to install.
Information on the fuse types and locations, as
well as the positions of any other fuse boxes, is
available on the Internet: ‐
card.
Fuses
Where applicable, information on the fuse types
and locations is also found on a separate sheet in
the fuse box.
Safety information
Warning
Incorrect and repaired fuses can overload elec‐
trical lines and components. There is a risk of
fire. Never attempt to repair a blown fuse. Do
not replace a nonworking fuse with a substitute
of another color or amperage rating.
Replacing fuses
The vehicle manufacturer recommends that you
have a dealer's service center or another quali‐
fied service center or repair shop replace the
fuses.
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