2008 BMW M3 SEDAN lumbar support

Controls
41Reference
At a glance
Driving tips
Communications
Navigation
Entertainment
Mobility
accident.
On the front passenger seat as well, do not
incline the backrest too far to the rear while the
vehicle is being driven, otherwise there is a dan-
ger in the event of an accident of sliding under
the safety belt, eliminating the protection nor-
mally provided by the belt.<
Comply with the instructions on head restraint
height on page42, and on damaged safety
belts on page45.
Manual adjustment
Observe the adjustment instructions
above to ensure the best possible per-
sonal protection.<
Thigh support
Pull the lever and move the thigh support for-
ward or back.
Electrical adjustment
Observe the adjustment instructions on
page40 to ensure the best possible per-
sonal protection.<
1Longitudinal direction
2Height
3Angle4Backrest
The head restraints are adjusted manually, refer
to Head restraints below.
Lumbar support*
You can also adjust the contour of the backrest
to obtain additional support in the lumbar
region.
The upper hips and spinal column receive sup-
plementary support to help you maintain a
relaxed, upright sitting position.
>Increase or decrease curvature: press the
switch at the front or rear, respectively.
>Shift curvature up or down: press the switch
at the top or bottom, respectively.

Reference 247
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Automatic climate control96
– automatic air distribution98
– settings via iDrive97
Automatic curb monitor46
"Automatic programs" with
automatic climate control98
Automatic recirculated-air
control AUC98
Automatic station search157
Automatic transmission with
Steptronic
– towing232
– tow-starting232
"Automatic ventilation"100
AUTO program for automatic
climate control98
"Auto Request"195
"Autostore"
– on the radio158
"AUX"152,171,173
– AUX-In port171
– USB-audio interface172
AUX-In port171
Average fuel consumption69
– setting the units71
"Avoid ferries" in
navigation137
"Avoid highways" in
navigation137
Avoid highways in
navigation137
Avoiding unintentional
alarms35
"Avoid tollroads" in
navigation137
Axle loads, refer to
Weights240
"A - Z"185,186
B
Backrest contour, refer to
Lumbar support41
Backrests, refer to Seat
adjustment41
Backrest width adjustment42
Back seats
– refer to Rear seats42Backup lamps
– replacing bulb225,226
Backup lamps, refer to Tail
lamps225
Balance, tone control153
Band-aids, refer to First-aid
pouch231
Bar, refer to Towing
methods233
Base plate for telephone or
mobile phone
– refer to Snap-in adapter in
the center armrest storage
compartment106
Bass, tone control153
Bass sounds, refer to Treble
and bass153
Battery228
– charging228
– disposal37,228
– jump starting231
– remote control28
– temporary power failure228
Battery renewal
– remote control37
– remote control for vehicle36
Being towed232
Belts, refer to Safety belts44
Belt tensioner, refer to Safety
belts44
Beverage holders, refer to
Cup holders107
Blower, refer to Air flow
rate98
Bluetooth, refer to separate
Owner's Manual
BMW
– car shampoo216
"BMW
Assist"194,195,196,197
BMW Assist
– activating198
– Concierge service197
– contacting BMW Customer
Relations196
– Roadside Assistance194
– services offered193
– TeleServices195
"BMW Contact"188"BMW Contact
Numbers"188
BMW Homepage4
BMW Maintenance
System212
"BMW Service settings"199
BMW Teleservice Call
– automatic195
– manual195
BMW TeleServices195
– displaying196
– updating196
BMW webpage4
Bottle holders, refer to Cup
holders107
Brake assist82
Brake fluid, refer to Service
requirements72
Brake Force Display89
Brake lamps
– replacing bulb225,226
– two-stage89
Brake pads114
– breaking in114
Brake rotors115
– brakes114
– breaking in114
Brakes
– ABS82
– BMW Maintenance
System212
– breaking in114
– parking brake56
– service requirements72
Brakes, refer to Braking
safely115
Brake system114
– BMW Maintenance
System212
– breaking in114
– disc brakes115
Breakdown services, refer to
Roadside Assistance230
Breaking in the clutch114
Breaking in the differential,
refer to Engine and
differential114
Break-in period114

Everything from A - Z
254
J
Jacking points228
Joystick, refer to iDrive16
Jumpering, refer to Jump
starting231
Jump starting231
K
Key, refer to Remote
control28
Keyless go, refer to
Convenient access35
Keyless opening and closing,
refer to Convenient
access35
Key Memory, refer to Personal
Profile28
Knock control204
L
Lamps
– automatic headlamp
control92
– parking lamps/low beams92
Lamps and bulbs, replacing
bulbs223
"Language / Units"71
"Language / Units" in
navigation125,142
"Language" on the Control
Display79
"Languages" in
navigation125,142
Lap-and-shoulder belt, refer
to Safety belts44
Lashing eyes, refer to
Securing cargo117
Last destinations, refer to
Destination list133
"Last seat pos."44
LATCH child-restraint fixing
system52
Launch Control62
Leather care216
LED hand lamp106
LED light-emitting diodes223Length, refer to
Dimensions239
License plate lamp, replacing
bulb226
Light-alloy wheels215
Light-emitting diodes
LED223
Lighter107
– connecting electrical
appliances108
"Lighting"63
Lighting
– instruments94
– lamps and bulbs223
– vehicle, refer to Lamps92
Light switch92
"Limit"79
Limit, refer to Speed limit78
Load securing equipment,
refer to Securing cargo117
Lock buttons, doors, refer to
Locking32
Locking
– adjusting confirmation
signal31
– from inside32
– from outside30
– without remote control, refer
to Convenient access35
Locking and unlocking doors
– confirmation signals31
– from inside32
– from outside29
Low-beam headlamps
92
– automatic92
Lower back support, refer to
Lumbar support41
Luggage compartment lid33
– convenient access36
– emergency operation, refer
to Opening manually33
– emergency release34
– locking or unlocking
separately33
– opening from inside33
– opening from outside33
– opening manually33
– remote control30Luggage rack, refer to Roof-
mounted luggage rack117
Lumbar support41
M
M+S tires, refer to Winter
tires210
Maintenance, refer to Service
Booklet
Maintenance system212
Malfunction
– luggage compartment lid33
– tires86
Malfunction warnings, refer to
Check Control77
Manual
– BMW Teleservice Call195
Manual car wash215
"Manual" on the radio157
Manual operation
– door lock32
– driver's door32
– fuel filler door204
– glass roof39
– luggage compartment lid33
– transmission lock59
Manual transmission56
– tow-starting234
Map
– changing scale141
– destination entry131
"Map direction of travel"141
"Map facing north"141
Master key, refer to Remote
control28
Maximum cooling98
Maximum speed
– with winter tires210
"M DKG Drivelogic"48
MDM, refer to M Dynamic
Mode82
MDrive48