2014 BMW 4 SERIES CONVERTIBLE lumbar support

AdjustingVehicle features and options
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems.
Sitting safely
The ideal seating position can make a vital
contribution to relaxed, fatigue-free driving.
The seating position plays an important role in
an accident in combination with:▷Safety belts, refer to page 55.▷Head restraints, refer to page 56.▷Airbags, refer to page 96.
Seats
Hints Do not adjust the seat while driving
Do not adjust the driver's seat while driv‐
ing, or the seat could respond with unexpected
movement and the ensuing loss of vehicle
control could lead to an accident.◀
Do not incline the backrest too far to the
rear
Also on the front passenger side, do not incline
the backrest on the front passenger side too far to the rear while driving, or there is a risk of
slipping under the safety belt in the event of an
accident. This would eliminate the protection
normally provided by the belt.◀
Keep the movement area unobstructed
When changing the seat position, keep
the seat's area of movement unobstructed;
otherwise, people might get injured or objects
damaged.◀
Electrically adjustable seats
At a glance1Seat and mirror memory2Backrest width3Lumbar support4Backrest tilt5Forward/backward, height, seat tilt
General information
The seat setting for the driver's seat is stored
for the profile currently in use. When the vehi‐
cle is unlocked via the remote control, the po‐
sition is automatically retrieved if the Function,
refer to page 43, is activated for this purpose.
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Adjustments in detail1.Forward/back.2.Height.3.Seat tilt.4.Backrest tilt.Thigh support
Pull the lever at the front of the seat and adjust
the thigh support.
Lumbar support The curvature of the seat backrest can be ad‐
justed in a way that it supports the lumbar re‐
gion of the spine. The lower back and the
spine are supported for upright posture.
▷Press the front/rear section
of the reel.
The curvature is increased/
decreased.▷Press the upper/lower sec‐
tion of the reel.
The curvature is shifted up/
down.
Backrest width
Change the width of the back‐
rest using the side wings to ad‐
just the lateral support.
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Adjusting the height▷To raise: push.▷To lower: press button, arrow 1, and push
headrest down.
Distance to the back of the head
▷Forward: pull.▷Back: press the button and push the head
restraint toward the rear.
Seat and mirror memory
Hints Do not retrieve the memory while driving
Do not retrieve the memory setting while
driving, as an unexpected movement of the
seat could result in an accident.◀
Keep the movement area unobstructed
When changing the seat position, keep
the seat's area of movement unobstructed;
otherwise, people might get injured or objects
damaged.◀
The concept
Two driver's seat and exterior mirror positions
can be stored per profile, refer to page 35, and
called up. Settings for the backrest width and
lumbar support are not stored in memory.
At a glance
Storing
1.Switch on the ignition.2.Set the desired position.3. Press button. The LED in the but‐
ton lights up.4.Press selected button 1 or 2 while the LED
is lit. The LED goes out.
If the SET button is pressed accidentally:
Press button again.
The LED goes out.
Calling up settings
Comfort function
1.Open the driver's door.2.Switch off the ignition.3.Briefly press the desired button 1 or 2.
The corresponding seat position is performed
automatically.
The procedure stops when a reel for adjusting
the seat or one of the buttons is pressed.
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Everything from A to Z
IndexA ABS, Antilock Brake Sys‐ tem 119
ACC, Active Cruise Control with Stop & Go 124
Acceleration Assistant, refer to Launch Control 74
Activated-charcoal filter 150
Active Blind Spot Detec‐ tion 115
Active Cruise Control with Stop & Go, ACC 124
Adaptive brake lights, refer to Brake force display 117
Adaptive Light Control 92
Additives, oil 201
Adjustments, seats/head re‐ straints 52
After washing vehicle 221
Airbags 96
Airbags, indicator/warning light 97
Air circulation, refer to Recir‐ culated-air mode 147, 149
Air, dehumidifying, refer to Cooling function 146, 149
Air distribution, manual 146, 150
Air flow, air conditioner 146
Air flow, automatic climate control 150
Air pressure, tires 188
Air vents, refer to Ventila‐ tion 151
Alarm system 43
Alarm, unintentional 44
All around the center con‐ sole 16
All around the roofliner 17 All around the steering
wheel 14
All-season tires, refer to Win‐ ter tires 196
All-wheel-drive 120
Alternating-code hand-held transmitter 154
Alternative oil types 202
Antifreeze, washer fluid 71
Antilock Brake System, ABS 119
Anti-slip control, refer to DSC 119
Anti-theft protection, see through-loading sys‐
tem 161
Approved axle load 227
Approved engine oils 202
Arrival time 86
Ash tray 157
Assistance, Roadside Assis‐ tance 216
Assistance when driving off 123
Assist system information, on Control Display 89
Attentiveness assistant 117
AUTO intensity 149
Automatic car wash 220
Automatic climate con‐ trol 145
Automatic climate control with enhanced features 148
Automatic Cruise Control with Stop & Go 124
Automatic Curb Monitor 58
Automatic deactivation, front- seat passenger airbags 98
Automatic headlight con‐ trol 92
Automatic locking 43 Automatic recirculated-air
control 149
Automatic transmission, see Steptronic transmission 72
AUTO program, automatic cli‐ mate control 149
AUTO program, climate con‐ trol 146
AUTO program, intensity 149
Auto Start/Stop function 66
Average fuel consumption 86
Average speed 86
Axle loads, weights 227
B Backrest curvature, refer to Lumbar support 53
Backrest, width 53
Band-aids, refer to First aid kit 216
Bar for tow-starting/ towing 218
Battery replacement, vehicle battery 212
Battery replacement, vehicle remote control 34
Battery, vehicle 212
Belts, safety belts 55
Beverage holder, cu‐ pholder 165
BMW Assist, see user's manual for Navigation, En‐
tertainment and Communi‐
cation
BMW maintenance sys‐ tem 204
Bonus range, ECO PRO 176
Bottle holder, refer to Cu‐ pholders 165
Brake assistant 119 Seite 230ReferenceEverything from A to Z230
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Low beams 91
Low beams, automatic, refer to High-beam Assistant 93
Lower back support 53
Lumbar support 53
M
Maintenance 204
Maintenance require‐ ments 204
Maintenance, service require‐ ments 82
Maintenance system, BMW 204
Make-up mirror 157
Malfunction displays, see Check Control 77
Manual air distribu‐ tion 146, 150
Manual air flow 146, 150
Manual mode, Steptronic transmission 73
Manual operation, door lock 39
Manual operation, exterior mirrors 58
Manual operation, fuel filler flap 184
Manual operation, Park Dis‐ tance Control PDC 133
Manual operation, rearview camera 136
Manual operation, Side View 138
Manual operation, Top View 139
Marking on approved tires 195
Marking, run-flat tires 196
Master key, refer to Remote control 34
Maximum cooling 149
Maximum speed, display 83
Maximum speed, winter tires 196 Measure, units of 89
Medical kit 216
Memory, seat, mirror 57
Menu, EfficientDynamics 177
Menu in instrument clus‐ ter 85
Menus, operating, iDrive 18
Menus, refer to iDrive operat‐ ing concept 20
Messages, see Check Con‐ trol 77
Microfilter 147, 150
Minimum tread, tires 194
Mirror 58
Mirror memory 57
Mobile communication devi‐ ces in the vehicle 169
Modifications, technical, refer to Safety 7
Moisture in headlight 207
Monitor, refer to Control Dis‐ play 18
Mounting of child restraint systems 61
Multifunction steering wheel, buttons 14
N Navigation, see user's manual for Navigation, Entertain‐
ment and Communication
Neck restraints, front, refer to Head restraints 56
Neck warmer 54
Neutral cleaner, see wheel cleaner 222
New wheels and tires 195
Nylon rope for tow-starting/ towing 218
O OBD Onboard Diagnosis 204
OBD, see OBD Onboard Di‐ agnosis 204 Obstacle marking, rearview
camera 136
Octane rating, refer to Rec‐ ommended fuel grade 186
Odometer 81
Office, see user's manual for Navigation, Entertainment
and Communication
Oil 200
Oil, adding 201
Oil additives 201
Oil change 202
Oil change interval, service requirements 82
Oil filler neck 201
Oil types, alternative 202
Oil types, approved 202
Old batteries, disposal 213
Onboard monitor, refer to Control Display 18
Onboard vehicle tool kit 206
Opening/closing via door lock 39
Opening and closing 34
Opening and closing, without remote control 39
Opening and closing, with re‐ mote control 37
Operating concept, iDrive 18
Optional equipment, standard equipment 6
Outside air, refer to Auto‐ matic recirculated-air con‐
trol 149
Overheating of engine, refer to Coolant temperature 81
P Paint, vehicle 221
Parallel parking assistant 140
Park Distance Control PDC 132
Parked-car ventilation 151
Parked vehicle, condensa‐ tion 170 Seite 235Everything from A to ZReference235
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