Deutsch
EnglishReplacing components -> Vehicle battery for your BMW i4 2021-2025
Replacing components
MOBILITY
All headlights and lights are designed using
LED technology at least.
Vehicle battery
In the event of a malfunction, the vehicle man-
ufacturer recommends having any necessary
work performed by an authorized service cen-
ter or another qualified service center or repair
shop.
General information
In addition to the high-voltage battery, the ve-
hicle has a 12 volt vehicle battery. The vehicle
battery supplies the onboard electronics with
energy.
Safety information
The vehicle battery is maintenance-free.
More information on the vehicle battery can be
requested from an authorized service center or
another qualified service center or repair shop.
Warning
Focused laser light can irritate or perma-
nently damage the retina of the eye. There
is a risk of injury. The vehicle manufacturer
recommends having work on the lighting sys-
tem, including bulb replacement, performed
by an authorized service center or another
qualified service center or repair shop.
Safety information
DANGER
Contact with live components can lead to an
electric shock. There is a risk of injury or dan-
ger to life. Do not touch any components that
are under voltage.
Warning
Intense 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 recommended
can damage vehicle systems and impair ve-
hicle functions. There is a risk of accident, in-
jury, and property damage. Only use vehicle
batteries recommended by the vehicle manu-
facturer. For information on suitable vehicle
batteries, contact an authorized service cen-
ter or another qualified service center or re-
pair shop.
Headlight glass
The inside of the headlight glass can fog up
in cool or humid weather. When driving with
the lights switched on, the condensation evap-
orates after a short time. The headlight glass
does not need to be changed.
If, despite driving with the headlights switched
on, moisture such as water droplets increas-
ingly forms in the light, have the headlights
checked.
Registering the vehicle battery in
the vehicle
The vehicle manufacturer recommends hav-
ing an authorized service center or another
qualified service center or repair shop register
the vehicle battery to the vehicle after the bat-
tery has been changed. Once the battery has
been registered again, all comfort features will
be available without limitation and any Check
338
Online Edition for Part no. 01405B45E30 - VI/24
Replacing components
MOBILITY
Control messages displayed which relate to
comfort features will disappear.
Power interruption
After a power interruption, some equipment
needs to be newly initialized or individual set-
tings updated, for example:
Hazard icons
The following hazard icons can be found on
the vehicle battery:
▷
▷
Parking brake, refer to page 133.
With Memory function: store the positions
again.
Icon
Meaning
▷
▷
▷
Time: update.
No smoking, no open flames,
no sparks.
Date: update.
Glass sunroof: initialize the system.
Wear safety goggles.
Disposing of old batteries
Have old batteries disposed of by an
authorized service center or another
qualified service center or repair shop,
or take them to a collection point.
Keep away from children.
Risk of chemical burn: wear
gloves, do not tilt battery.
Transport and store full vehicle batteries in an
upright position. Secure the battery so that it
does not tip over during transport.
Flush acid splashes with wa-
ter immediately. In the event of
contact with the eyes or swal-
lowing, seek a physician imme-
diately.
Batteries contain harmful chemicals. It
is prohibited by law to dispose of bat-
teries together with household waste.
No direct daylight, no frost.
Fuses
Follow the operating instruc-
tions.
General information
The fuses are located at different places in the
vehicle.
Explosive gas mixture. Do not
close any openings of the bat-
tery.
Information on the fuse layout and the posi-
tions of the fuse boxes is available on the In-
ternet:
Charging the vehicle battery
Safety information
A charger that is installed in the vehicle sup-
plies the vehicle battery with power. The
charger receives the necessary energy from
the high-voltage battery.
Warning
Incorrect and repaired fuses can overload
electrical lines and components. There is
a risk of fire, injury, and property damage.
Never attempt to repair a blown fuse. Do not
Additional information:
Charge vehicle, refer to page 286.
339
Online Edition for Part no. 01405B45E30 - VI/24
