BMW 4 SERIES COUPE 2018 Repair Manual

Interior
motion
sensorThe windows and the glass sunroof must beclosed for the system to function properly.
Avoiding
unintentional
alarms
General
information
The tilt alarm sensor and interior motion senj
sor can trigger an alarm, although no unauthorj ized action occurred.
Possible situations for an unwanted alarm:'yIn automatic vehicle washes.'yIn duplex garages.'yDuring transport on trains carrying vehij
cles, at sea or on a trailer.'yWith animals in the vehicle.
The tilt alarm sensor and the interior motion sensor can be switched off in such situations.
Switching
off
the
tilt
alarm
sensor
and
interior
motion
sensor
Press the remote control button againwithin 10 seconds as soon as the vehicle
is locked.
The indicator lamp lights up for approx. 2 secj
onds and then continues to flash.
The tilt alarm sensor and interior motion senj
sor are turned off until the vehicle is locked
again.
Switching
off
the
alarm
'yUnlock the vehicle with the remote control or switch on the ignition, if needed through
emergency detection of remote control, rej fer to page 48.'yWith Comfort Access:
If you are carrying the remote control on
your person, grasp the door handle on the driver's or front passenger door comj
pletely.Power
windows
Safety
information WARNING
When operating the windows, body parts
and objects can be jammed. There is a risk of injury or risk of property damage. Make surethat the area of movement of the windows isclear during opening and closing.'

Opening'y Press the switch to the resistance
point.
The window opens while the switch is bej ing held.'y Press the switch beyond the resistj
ance point.
The window opens automatically. Pressing the switch again stops the motion.
Convenient opening via the remote control, rej
fer to page 47.
Closing
'y Pull the switch to the resistance
point.
The window closes while the switch is bej
ing held.'y Pull the switch beyond the resistance
point.
The window closes automatically if the
door is closed. Pulling again stops the moj
tion.
Closing via Comfort Access, refer to page 51.
Pinch
protection
system
General
information
If closing force exceeds a specific threshold as
a window closes, closing is interrupted.
The window opens slightly.
Safety
information WARNING
Accessories on the windows such as anj
tennas can impact jam protection. There is a risk of injury. Do not install accessories in thearea of movement of the windows.'

Safety
informationWARNING
Body parts can be jammed when operatj
ing the glass sunroof. There is a risk of injury.
Make sure that the area of movement of the
glass sunroof is clear during opening and closj ing.'

half-open position, or it is stopped when closjing from the tilted position. The glass sunroof
opens slightly.
Closing
from
the
open
position
without
jam
protection
If there is an external danger, proceed as folj
lows:1.Push the switch forward past the resistj
ance point and hold.
The glass sunroof closes with limited jam protection. If the closing force exceeds aspecific threshold, closing is interrupted.2.Push the switch forward again past the rej
sistance point and hold until the glass sunj
roof closes without jam protection. Make sure that the closing area is clear.
Closing
from
the
raised
position
without
jam
protection
If there is an external danger,
push the switch forward past the
resistance point and hold it.
The glass sunroof closes withj
out jam protection.
Initializing
after
a
power
interruption General
information After a power failure during the opening or
closing process, the glass sunroof can only be
operated to a limited extent.
The system can be initialized under the followj
ing conditions.
'yThe vehicle is parked in a horizontal posij
tion.'yThe engine is running.'yThe external temperature is above
41 

SettingsVehicle
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.
Sitting
safely
An ideal seating position that meets the needs
of the occupants can make a vital contribution to relaxed, fatigue-free driving.
In the event of an accident, the correct seating
position plays an important role. Additionally, observe the following chapters for safe driving:'ySeats, refer to page 65.'ySafety belts, refer to page 69.'yHead restraints, refer to page 70.'yAirbags, refer to page 120.
Seats
Safety
information WARNING
Seat adjustments while driving can lead
to unexpected movements of the seat. Vehicle
control could be lost. There is a risk of an accij dent. Only adjust the seat on the driver's sidewhen the vehicle is stationary.'

6Height7Backrest tilt
Forward/backward
Pull the lever and slide the seat in the desireddirection.
After releasing the lever, move the seat forj
ward or back slightly making sure it engages
properly.
Height
Pull the lever and apply your weight to the seat or lift it off, as necessary.
Backrest
tilt
Pull the lever and apply your weight to the
backrest or lift it off, as necessary.
Seat
tilt
Pull the lever and move the seat to the desired
tilt. After releasing the lever, apply your weight to the seat or lift it off to make sure the seat
engages properly.
Electrically
adjustable
seats
General
information
The seat setting for the driver's seat is stored
for the profile currently used. When the vehicle
is unlocked via the remote control, the position
is automatically retrieved if the function, refer to page 59, is activated for this purpose.
The current seat position can be stored using
the memory function, refer to page 72.
Seite 66ControlsSettings66
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Overview1Memory function2Backrest width3Lumbar support4Backrest tilt5Forward/backward, height, seat tilt
Forward/backward
Push switch forward or backward.
Height
Push switch up or down.
Seat
tilt
Move switch up or down.
Backrest
tilt
Move switch forward or backward. Thigh
support
Pull the lever at the front of the seat and adjustthe thigh support.
Lumbar
support The curvature of the seat backrest can be adj
justed in a way that it supports the lumbar rej gion of the spine. The lower back and thespine are supported for upright posture.
Seite 67SettingsControls67
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'yPress the front/rear section
of the button:
The curvature is increased/
decreased.'yPress the upper/lower secj
tion of the button:
The curvature is shifted up/ down.
Backrest
width
General
information
You can change the backrest width by adjustj
ing the side wings of the backrest.
Settings
'yPress the front section of
the button:
The backrest width dej
creases.'yPress the rear section of the
button:
The backrest width inj
creases.
Front
seat
heating
Overview
Seat heating
Switching
on Press button once for each temperaj
ture level.
The maximum temperature is reached when
three LEDs are lit.
If the trip is continued within approx. 15 mij nutes after a stop, seat heating is activated auj
tomatically with the temperature selected last.
When ECO PRO is activated, the heater output
is reduced.
Switching
off Press and hold the button, until the
LEDs go out.
Rear
seat
heating
Overview
Seat heating
Switching
on Press button once for each temperajture level.
The maximum temperature is reached when three LEDs are lit.
If the trip is continued within approx. 15 mij
nutes after a stop, seat heating is activated auj
tomatically with the temperature selected last.
When ECO PRO is activated, the heater output
is reduced.
Seite 68ControlsSettings68
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Switching
offPress and hold the button, until the
LEDs go out.
Safety
belts Number
of
safety
belts
and
safety
belt
buckles
The vehicle is fitted with five safety belts to enj
sure occupant safety. However, they can only offer protection when adjusted correctly.
The two outer safety belt buckles of the rear
seat are intended for the persons sitting on the
left and right.
The center safety belt buckle of the rear seat is
intended for the person sitting in the middle.
General
information
Always make sure that safety belts are being
worn by all occupants before driving off. Alj
though airbags enhance safety by providing
added protection, they are not a substitute for
safety belts.
The upper shoulder strap's anchorage point
will be correct for adult seat occupants of evj
ery build if the seat is correctly adjusted.
Safety
information WARNING
If the safety belt is used to buckle more
than one person, the protective effect of the
safety belt can no longer be ensured. There is
a risk of injuries or danger to life. Do not allow
more than one person to wear a single safety
belt. Infants and children are not allowed on an
occupant's lap, but must be transported and
secured in designated child restraint sysj
tems.'

'yDo not rub the safety belt against sharpedges, or guide it or jam it in across hard or
fragile objects.'yAvoid thick clothing.'yRe-tighten the safety belt frequently upj
ward around your upper body.
Buckling
the
safety
belt
1.Slowly guide the safety belt out of the holder when fastening it.2.Insert the tongue plate into the safety belt
buckle. The safety belt buckle must enj
gage audibly.
Unbuckling
the
safety
belt
1.Hold the safety belt firmly.2.Press the red button in the belt buckle.3.Guide the safety belt back into its roll-up mechanism.
Safety
belt
reminder
for
driver's
and
passenger's
seat
Display The indicator light lights up and a sigjnal sounds. Make sure that the safety
belts are positioned correctly. The
safety belt reminder is active at speeds above
approx. 6 mph/10 km/h. The safety belt rej
minder can also be activated if objects are
placed on the front passenger seat.
Front
head
restraints
Safety
information WARNING
A missing protective effect due to rej
moved or not correctly adjusted head rej
straints can cause injuries in the head and neck area. There is a risk of injury.'yBefore driving, install the removed head rej
straints on the occupied seats.'yAdjust the head restraint so its center supj ports the back of the head at as close to
eye level as possible.'yAdjust the distance so that the head rej straint is as close as possible to the back of
the head. If necessary, adjust the distance
by adjusting the tilt of the backrest.'