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EnglishMOBILITY -> Replacing components for your BMW 4 Series 2013-2020
Replacing components
MOBILITY
Replacing components
not fold or switch on the wiper without a wiper
blade installed.
Vehicle features and
options
This chapter describes all standard, country-spe‐
cific and optional features offered with the series.
It also describes features that are not necessarily
available in your vehicle, e. g., due to the selected
options or country versions. This also applies to
safety-related functions and systems. When us‐
ing these functions and systems, the applicable
laws and regulations must be observed.
NOTE
Folded-away wipers can be jammed when the
hood is opened. There is a risk of damage to
property. Make sure that the wipers with the
wiper blades mounted are folded down onto
the windshield before opening the hood.
Replacing the front wiper blades
1. To change the wiper blades, fold up the wiper
arms, refer to page 113.
Onboard vehicle tool kit
2. Fold up and hold the wiper arm firmly.
3. Squeeze the retainer spring, arrow 1, and fold
up the wiper blade, arrow 2.
The onboard vehicle tool kit is located on the
right side in the cargo area in a storage compart‐
ment. Open the cover.
4. Remove the wiper blade forward from the
catch.
Wiper blades
Safety information
NOTE
5. Insert the new wiper blade in reverse order of
removal until it locks in place.
6. Fold down the wipers.
The window may sustain damage if the wiper
falls onto it without the wiper blade installed.
There is a risk of damage to property. Hold the
wiper firmly when changing the wiper blade. Do
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Replacing components
MOBILITY
Light and bulb replacement Vehicle battery
General information
Maintenance
The battery is maintenance-free.
Lights and bulbs
Lights and bulbs make an essential contribution
to vehicle safety.
The added amount of acid is sufficient for the
service life of the battery.
More information about the battery can be re‐
quested from a dealer’s service center or another
qualified service center or repair shop.
All headlights and lights are made using LED
technology.
Some items of equipment use light-emitting di‐
odes installed behind a cover as a light source.
These light-emitting diodes are related to con‐
ventional lasers and are officially designated as
Class 1 light-emitting diodes.
Replacing the vehicle battery
General information
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.
The manufacturer of the vehicle recommends
that you let a dealer’s service center or another
qualified service center or repair shop perform
the work in case of a malfunction.
Follow the safety information, refer to page 277.
Headlight glass
Condensation can form on the inside of the ex‐
ternal lights in cool or humid weather. When driv‐
ing with the lights switched on, the condensation
evaporates after a short time. The headlight
glass does not need to be changed.
Safety information
NOTE
If despite driving with the headlights switched on,
increasing humidity forms, for instance water
droplets in the light, have the headlights
checked.
Vehicle batteries that are not compatible can
damage vehicle systems and impair vehicle
functions. There is a risk of personal and prop‐
erty damage. Only vehicle batteries that are
compatible with your vehicle type should be in‐
stalled in your vehicle. Information on compati‐
ble vehicle batteries is available at your dealer’s
service center.
Safety information
WARNING
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.
Charging the battery
General information
Make sure that the battery is always sufficiently
charged to guarantee that the battery remains
usable for its full service life.
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Replacing components
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A discharged battery is indicated by a red
indicator light.
Maintain the battery in an upright position for
transport and storage. Secure the battery so that
it does not tip over during transport.
The battery may need to be charged in the fol‐
lowing cases:
▷ When making frequent short-distance drives.
Fuses
▷ If the vehicle is not used for more than a
month.
General information
The fuses are located in two different places in
the vehicle.
Safety information
Information on the fuse types and locations, as
well as the positions of any other fuse boxes, is
found on a separate sheet in the fuse box in the
cargo area.
NOTE
Battery chargers for the vehicle battery can
work with high voltages and currents, which
means that the 12 volt on-board network can
be overloaded or damaged. There is a risk of
damage to property. Only connect battery
chargers for the vehicle battery to the starting
aid terminals in the engine compartment.
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.
Starting aid terminals
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 282, in the
engine compartment with the engine off.
In the engine compartment
General information
On right-hand drive vehicles, the fuses are lo‐
cated on the opposite side of the engine com‐
partment.
Power failure
After a power loss, some equipment needs to be
newly initialized or individual settings updated, for
example:
▷ Seat and mirror memory: store the positions
again.
▷ Time: update.
▷ Date: update.
▷ Glass sunroof and sun protection: initialize
the system.
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.
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Removing the cover
In the cargo area
1. Use the onboard vehicle tool kit to loosen the
three cover screws, arrow 1.
Fold up the cargo floor panel.
2. Pull up the holder, arrow 2.
3. Remove the cover from one side, arrow 3.
4. Press the four fasteners and remove the
cover.
Information on the fuse types and locations, as
well as the positions of any other fuse boxes, is
found on a separate sheet in the fuse box.
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.
Attaching the covers
1. When attaching the cover, make sure that all
four fasteners are engaged.
2. Attach the cover under the rubber lip and
then thread it between the bars.
3. Press down on the holder and tighten the
three screws.
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