BMW 4 SERIES COUPE 2017 Owners Manual

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SocketforOBDOnboard
Diagnosis
Safetyinformation 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 Diagj nosis, 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.'

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ReplacingcomponentsVehiclefeaturesandoptionsThis 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 country provisions
must be observed.
Onboardvehicletoolkit
The onboard vehicle tool kit is located on the
right side in the cargo area in a storage comj partment. Open the cover.
Wiperbladereplacement Safetyinformation 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.'

Page 223 of 260

erss service center or another qualified servicecenter or repair shop.
A spare lamp box is available from a dealerss
service center or another qualified service cenj
ter or repair shop.
Observe the safety information, refer to page 223.
Light-emittingdiodes(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 223.
Headlightglass
Condensation can form on the inside of the exj ternal lights in cool or humid weather. Whendriving with the lights switched on, the conj
densation evaporates after a short time. The
headlight glass does not need to be changed.
If despite driving with the lights switched on,
increasing humidity forms, e.g., water droplets
in the lamp, the manufacturer of your vehicle
recommends having it checked by a dealerss
service center or another qualified service cenj
ter or repair shop.
Headlightsetting
The headlight adjustments can be affected by
changing lights and bulbs. After the headlight adjustment was changed, have it checked and,
if necessary, corrected by a dealerss service
center or another qualified service center or rej pair shop.Safetyinformation
Lightsandbulbs 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.'

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Frontlights,bulbreplacement
Xenonheadlights
Information DANGER
There can be high voltage in the lighting
system. There is danger to life. The manufacj
turer of your vehicle recommends that the work on the lighting system including bulb rejplacement be performed by a dealerss service
center or another qualified service center or rej pair shop.'

Page 225 of 260

Headlamps1Cornering light2Low beams/headlight flasher3High beams/headlight flasher4Parking lights / daytime running lights5Turn signal6Side marker lights
Contact your service center in the event of a
malfunction.
HalogenfrontfoglightsObserve the safety information, refer topage 223.
35-watt bulb, H8.
1.Use the handle of the screwdriver from the onboard 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.
LEDfrontfoglights
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.
TurnsignalinexteriormirrorThe 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.
Taillamps,bulbreplacement
Overview
1Turn signal2Reversing lamp3Inside brake lampSeite 225ReplacingcomponentsMobility225
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4Tail lamps5Outside brake lamp
Bulbreplacement,exteriortaillampsGeneralinformation
Observe the safety information, refer to page 223.
Turn signal: 21-watt bulb, P21WLL.
Outer brake lamp: 21-watt bulb, H21WLL.
The tail lamps feature LED technology. In the
case of a malfunction, contact a dealerss servj ice center or another qualified service center or
repair shop.
Removingtheexteriortaillamp
1.Open tailgate.2.Loosen and remove the mounting pin of
the cover, arrow 1, with the screwdriver
from the onboard vehicle tool kit.3.Use the screwdriver from the onboard vej hicle tool kit to press in the latch, arrow 2,
and remove the cover, arrow 3.4.Loosen the two nuts with the screwdriver handle, arrows.5.Grasp the inner edge of the tail lamp, arjrow 1, and carefully pull it backward andout, arrow 2. Use your free hand to hold it
in place in order to prevent the tail lamp from coming loose suddenly. Make sure
that the foam rubber sealing ring is on the
centering pin.6.Release the catch at the top on the conj nector of the connecting line and remove
the connector from the bulb holder.
Replacingthebulbs
1.Loosen the three fasteners, arrows 1, on the bulb holder and remove the bulb holderfrom the tail lamp, arrow 2.Seite 226MobilityReplacingcomponents226
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Page 227 of 260

2.Press the nonworking bulb gently into thesocket, turn counterclockwise and remove.3.Proceed in the reverse order to insert thenew bulb and attach the bulb holder. Make
sure that the bulb holder engages in all fasj
teners.
Installingthetaillamp
1.Connect the connecting line to the tail
lamp and secure the bulb holder in the clip.2.Make sure that the foam rubber sealing
ring is on the centering pin, arrow 2, and is
not damaged.3.Position and firmly press the outer part of the tail lamp onto the rubber mount, arjrow 1 and the inner part onto the centering
component, arrow 2. Make sure that the
tail lamp engages in the rubber mount.4.Screw the tail lamp on with the two nuts.5.Insert and secure the cover. Make sure that
the tubular seal is not pinched.
Lightsinthetailgate
Generalinformation
Observe the safety information, refer to page 223.
Reversing lights: 16-watt bulb, PW16W.
Inner brake lights: 21-watt bulb, H21W All lights in the tailgate are made using LEDtechnology. In the case of a malfunction, conj
tact a dealerss service center or another qualij fied service center or repair shop.
Accessingthelights1.If needed, remove warning triangle, refer topage 232, and bracket with the screwj
driver from the onboard vehicle tool kit, rej fer to page 222.2.Remove the emergency release and the
wire cable from the handle.3.Use the screwdriver from the onboard vej hicle tool kit to loosen and completely rej
move the screws on the trim.4.Press together hinge trim, see arrow, to rej
lease the clips.
Grasp the trim, pull the hinge trim downj
ward and remove it.5.Carefully loosen the trim from the tailgate,
starting at the edge and working toward
the area around the recessed grips. Make sure that the trim does not become stuck.6.Carefully swing out the trim.Seite 227ReplacingcomponentsMobility227
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Replacingthereversinglightsandinner
brakelights1.Loosen the bottom holder, arrow 1.2.Loosen the top holder, arrow 2. To do so, press in the middle latch and then press
out both outside latches.
Remove the lamp holder, arrow 3.3.Unscrew the nonworking bulb of the rej versing or brake lamp from its socketcounterclockwise.4.Insert the new bulb.
Installingthebulbholder
1.Insert the two contacts, arrow 1, into the
connections, arrow 2.2.Press on the bulb holder, arrow 3. Make
sure that the two exterior holders latch into
place.3.Swing the trim back onto the tailgate and
secure.4.Place the hinge trim over the hinge and
push it up until the retaining pin engages. Close the clips.5.Install the wire cable on the handle and enj
gage the handle on the holder.6.Install the holder for the warning triangle.7.Apply the warning triangle.
Taillamps,licenseplatelampsand
centerbrakelamps
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.
Vehiclebattery 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.
Batteryreplacement 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 on
compatible vehicle batteries is available at your
dealerss service center.'

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Chargingthebattery
Generalinformation
Make sure that the battery is always suffij
ciently charged to guarantee that the battery
remains usable for its full service life.
A discharged battery is indicated by a
red indicator lamp.
The battery may need to be charged in the folj
lowing cases:'yWhen making frequent short-distance
drives.'yIf the vehicle is not used for more than a month.
Safetyinformation
NOTE
Battery chargers for the vehicle battery
can work with high voltages and currents,
which means that the 12 volt on-board netj
work can be overloaded or damaged. There is
a risk of property damage. Only connect batj tery chargers for the vehicle battery to the
starting aid terminals in the engine compartj
ment.'

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3.Remove the cover from one side, arrow 3.4.Press the four fasteners and remove the
cover.
Attachingthecovers
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.
Inthecargoarea
Fold up the cargo floor panel.
Information on the fuse types and locations is
found on a separate sheet.
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