BMW 4 SERIES COUPE 2018 Owners Manual

CoolantVehicle
features
and
optionsThis chapter describes all standard, country-specific and optional features offered with theseries. It also describes features that are notnecessarily available in your vehicle, e. g., due
to the selected options or country versions.
This also applies to safety-related functions
and systems. When using these functions and systems, the applicable laws and regulations
must be observed.
General
information
Not all commercially available additives are
suitable for the vehicle. Information about suitj
able additives is available from a dealerss servj
ice center or another qualified service center or
repair shop.
Safety
information WARNING
With the engine hot and the cooling sysj
tem open, coolant can escape and lead to scalding. There is a risk of injury. Only openthe cooling system with the engine cooleddown.'

Checking
the
coolant
level
in
the
filler
neck
There are yellow Min and Max marks in the
coolant reservoir.1.Let the engine cool.2.Turn the lid of the coolant reservoir slightly counterclockwise to allow any excess
pressure to dissipate, then open it.3.Open the coolant reservoir lid.4.The coolant level is correct if it lies bej tween the minimum and maximum marksin the filler neck.Adding1.Let the engine cool.2.Turn the lid of the coolant reservoir slightlycounterclockwise to allow any excess
pressure to dissipate, then open it.3.If the coolant is low, slowly add coolant up to the specified level; do not overfill.4.Turn the lid until there is an audible click.The arrows on the coolant reservoir andthe lid must point towards one another.5.Have the cause of the coolant loss elimijnated as soon as possible.
Disposal
Comply with the relevant environmenj
tal protection regulations when disposj
ing of coolant and coolant additives.
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MaintenanceVehicle
features
and
options
This chapter describes all standard, country- specific and optional features offered with theseries. It also describes features that are notnecessarily available in your vehicle, e. g., due
to the selected options or country versions.
This also applies to safety-related functions
and systems. When using these functions and systems, the applicable laws and regulations
must be observed.
BMW
maintenance
system The maintenance system indicates requiredmaintenance measures, and thereby provides
support in maintaining road safety and the opj erational reliability of the vehicle.
In some cases, scopes and intervals may vary
according to the country-specific version. Rej
placement work, spare parts, fuels and lubrij
cants, and wear materials are calculated sepaj rately. Further information is available from a
dealerss service center or another qualified service center or repair shop.
Condition
Based
Service
CBS
Concept
Sensors and special algorithms take into acj
count the driving conditions of the vehicle.
CBS uses these to calculate the need for
maintenance.
The system makes it possible to adapt the amount of maintenance corresponding to your user profile.General
information
Information on service requirements, refer to page 105, can be displayed on the Control Disj
play.
Service
data
in
the
remote
control Information on the required maintenance iscontinuously stored in the remote control. Thedealerss service center can read this data outand suggest a maintenance scope for the vehijcle.
Therefore, hand the service advisor the remote
control with which the vehicle was driven most
recently.
Storage
periods Storage periods during which the vehicle batj
tery was disconnected are not taken into acj count.
If this occurs, have a dealer's service center or another qualified service center or repair shopupdate the time-dependent maintenance projcedures, such as checking brake fluid and, if
necessary, changing the engine oil and the mij
crofilter/activated-charcoal filter.
Service
and
WarrantyInformation
Booklet
for
US
models
and
Warranty
and Service
Guide
Booklet
for
Canadian
models
Please consult your Service and Warranty Inj
formation Booklet for US models and Warranty and Service Guide Booklet for Canadian modjels for additional information on service rejquirements.
The manufacturer of your vehicle recommends that maintenance and repair be performed by a
dealerss service center or another qualifiedSeite 243MaintenanceMobility243
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service center or repair shop. Records of reguj
lar maintenance and repair work should be rej
tained.
Socket
for
OBD
Onboard
Diagnosis
Safety
information NOTE
The socket for Onboard Diagnosis is an
intricate component intended to be used in
conjunction with specialized equipment to check the vehicless primary emissions system.Improper use of the socket for Onboard Diagjnosis, or contact with the socket for Onboard
Diagnosis for other than its intended purpose,
can cause vehicle malfunctions and creates risks of personal and property damage. Given
the foregoing, the manufacture of your vehicle
strongly recommends that access to the socket for Onboard Diagnosis be limited to a
dealer's service center or another qualified service center or repair shop or other persons
that have the specialized training and equipj
ment for purposes of properly utilizing the
socket for Onboard Diagnosis.'

Replacing
componentsVehicle
features
and
optionsThis chapter describes all standard, country-specific and optional features offered with theseries. It also describes features that are notnecessarily available in your vehicle, e. g., due
to the selected options or country versions.
This also applies to safety-related functions
and systems. When using these functions and systems, the applicable laws and regulations
must be observed.
Onboard
vehicle
tool
kit
The onboard vehicle tool kit is located behind
the left folding cover in the cargo area.
Wiper
blade
replacement Safety
information NOTE
If the wiper arm falls onto the windshield
without the wiper blades installed, the windj shield can be damaged. There is a risk of propj
erty damage. Secure the wiper arm when rej
placing the wiper blades and do not fold down
the wipers without the wiper blades installed.'

erss service center or another qualified servicecenter or repair shop.
A spare light box is available from a dealerss
service center or another qualified service cenj
ter or repair shop.
Observe the safety information, refer to page 246.
Light-emitting
diodes
(LEDs) Some items of equipment use light-emitting
diodes installed behind a cover as a light
source. These light-emitting diodes, which are
related to conventional lasers, are officially
designated as Class 1 light-emitting diodes.
Observe the safety information, refer to
page 246.
Safety
information
Lights
and
bulbs WARNING
Bulbs can get hot during operation. Conj
tact with the bulbs can cause burns. There is a
risk of injury. Only change bulbs after they
have cooled off.'

35-watt bulb, H8.1.Use the handle of the screwdriver from theonboard vehicle tool kit to remove the
three wheel house panel screws, arrow 1. Carefully pull back the wheel house panel,
arrow 2.2.Pull off the bulb connector, arrow 1.
Turn the bulb, arrow 2.
Left side of vehicle: turn clockwise.
Right side of vehicle: turn counterclockj wise.
Remove the bulb.3.Insert the new bulb, connect the connector and screw on the wheel house panel.
LED
front
fog
lights
These front fog lights are made using LED
technology. In the case of a malfunction, conj
tact a dealerss service center or another qualij fied service center or repair shop.
Turn
signal
in
exterior
mirrorThe turn signals in the exterior mirrors feature
LED technology. In the case of a malfunction,
contact a dealerss service center or another
qualified service center or repair shop.
Tail
lamps,
bulb
replacement
Tail
lights,
license
plate
lights,
and
center
brake
light
These lights are made using LED technology.
In the case of a malfunction, contact a dealerss
service center or another qualified service cenj
ter or repair shop.
Vehicle
battery Maintenance
The battery is maintenance-free.
The added amount of acid is sufficient for the
service life of the battery.
More information about the battery can be rej
quested from a dealerss service center or anj other qualified service center or repair shop.
Replacing
the
vehicle
battery
General
information
The manufacturer of your vehicle recommends that you have a dealerss service center or anjother qualified service center or repair shop
register the vehicle battery to the vehicle after
the battery has been replaced. Once the batj
tery has been registered again, all comfort feaj
tures will be available without restriction and
any Check Control messages displayed which
relate to comfort features will disappear.
Safety
information NOTE
Vehicle batteries that are not compatible
can damage vehicle systems and impair vehij
cle functions. There is a risk of personal and
property damage. Only vehicle batteries that are compatible with your vehicle type should
be installed in your vehicle. Information onSeite 247Replacing
componentsMobility247
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compatible vehicle batteries is available at your
dealerss service center.'

Removing
the
cover1.Use the onboard vehicle tool kit to loosen
the three cover screws, arrow 1.2.Pull up the holder, arrow 2.3.Remove the cover from one side, arrow 3.4.Press the four fasteners and remove the
cover.
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.In
the
cargo
area1.Fold the cargo floor panel up, arrow.2.Reach under the cargo floor panel and fold
the cargo floor panel up, arrow.
Information on the fuse types and locations is
found on a separate sheet.
Attaching
the
cargo
floor
panel
1.Proceed in the reverse order to attach thecargo floor panel.Seite 249Replacing
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2.Pull the cargo floor panel to the loading lip,
arrow 1, and press downward, arrow 2.Seite 250MobilityReplacing
components250
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