lumbar support BMW 328I 2011 E90 Owner's Manual

Adjustments
44 1Longitudinal direction
2Height
3Angle
4Backrest
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.
Backrest width*
You can change the width of the backrest to suit
your individual preferences by adjusting the lat-
eral-support pads.
Press the front or rear end of the switch.
Backrest width decreases or increases accord-
ingly.
Head restraints
Correctly adjusted head restraint
A correctly adjusted head restraint reduces the
risk of neck injury in the event of an accident.
Adjust the head restraint in such a way
that its center is at approx. ear level. Oth-
erwise, there is an increased risk of injury in the
event of an accident. Only remove a head
restraint if no one will be sitting on the seat in
question. Reinstall the head restraint before
transporting anyone on that seat. Otherwise,
the passenger will be without protection from
the head restraint.<
Height
Adjust the head restraint so that its center is
approximately at ear level.
Distance
Adjust the distance so that the head restraint is
as close as possible to the back of the head.

Reference 267
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Available services199
Average fuel consumption73
– setting the units76
Average speed73
Avoid highways in
navigation140
Avoiding unintentional
alarms34
Axle loads, refer to
Weights257
B
Backrest contour, refer to
Lumbar support44
Backrests, refer to Seat
adjustment43
Backrest width adjustment44
Back seats
– refer to Rear seats45
Backup lamps
– replacing bulb242,243
Band-aids, refer to First aid
pouch247
Bar, refer to Towing
methods249
Base plate for telephone or
mobile phone
– refer to Snap-in adapter192
– refer to Snap-in adapter in
the center armrest storage
compartment111
Bass, tone setting150
Battery244
– charging244
– disposal36,244
– jump-starting247
– remote control26
– replacing244
– temporary power failure245
Battery for mobile phone192
Battery renewal
– remote control36
– remote control for vehicle36
Being towed249Belts, refer to Safety belts47
Belt tensioner, refer to Safety
belts47
Beverage holders, refer to
Cupholders112
Black ice, refer to Outside
temperature warning71
Blower, refer to Air
volume104
Bluetooth, activating/
deactivating183
BMW
– car shampoo235
BMW Advanced Diesel204
BMW Assist195
BMW Assist,
activating197,199
BMW Homepage4
BMW Maintenance
System231
BMW Search197
BMW webpage4
Bottle holders, refer to
Cupholders112
Brake Assist, refer to Dynamic
Brake Control DBC85
Brake fluid, refer to Service
requirements76
Brake Force Display93
Brake lamps
– Brake Force Display93
– replacing bulb242,243
Brake pads122
– breaking in122
Brake rotors125
– brakes122
– breaking in122
Brakes
– ABS85
– BMW Maintenance
System231
– Brake Force Display93
– breaking in122
– parking brake57
– service requirements76Brakes, refer to Braking
safely124
Brake system122
– BMW Maintenance
System231
– breaking in122
– disc brakes125
Breakdown services, refer to
Roadside Assistance246
Breaking in the clutch122
Breaking in the differential,
refer to Engine and
differential122
Break-in period122
Brightness of the Control
Display83
Bulb changing, refer to Lamps
and bulbs238
Button for starting the engine,
refer to Start/stop button55
Buttons on the steering
wheel11
C
California Proposition 65
warning6
Call
– accepting184
– ending184
– rejecting184
Calling, refer to Phone
numbers, dialing185
Calling, refer to Telephone
owner's manual
Can holders, refer to
Cupholders112
Capacities258
Capacity of the cargo area257
Car battery, refer to Vehicle
battery244
Car care, refer to Care233

Reference 273
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Instructions for navigation
system, refer to Voice
instructions142
Instrument cluster12
Instrument combination, refer
to Instrument cluster12
Instrument lighting101
Instrument panel, refer to
Cockpit10
Integrated key26
Integrated universal remote
control107
Interactive map137
Interior lamps101
– remote control28
Interior motion sensor34
Interior rearview mirror49
– automatic dimming
feature49
– compass109
Interlock, refer to Disengaging
the remote control58
Intermittent mode of the
wipers61
Intersection, entering,
navigation132
iPod, connecting, refer to
AUX-IN port173
iPod, connecting, refer to USB
audio interface174
J
Jacking points244
Joystick, refer to iDrive16
Jumpering, refer to Jump-
starting247
Jump-starting247
K
Key, refer to Integrated key/
remote control26
Keyless go, refer to Comfort
Access34
Keyless opening and closing,
refer to Comfort Access34Key Memory, refer to Personal
Profile26
Kickdown58
– automatic transmission with
Steptronic58
Knock control203
L
Lamps
– automatic headlamp
control97
– parking lamps/low beams97
Lamps and bulbs, replacing
bulbs238
Lap-and-shoulder belt, refer
to Safety belts47
Lashing eyes, refer to
Securing cargo126
Last destinations134
LATCH child restraint fixing
system52
Leather care235
LED Light-emitting
diodes238
Length, refer to
Dimensions255
License plate lamp, replacing
bulb243
Light
– high-beam assistant99
Light-alloy wheels235
Light-emitting diodes
LED238
Lighter113
– connecting electrical
appliances113
Lighting
– instruments101
– lamps and bulbs238
– vehicle, refer to Lamps97
Light switch97
Limit, refer to Speed limit82
Load126
Load securing equipment,
refer to Securing cargo126
Lock buttons, doors, refer to
Locking30Locking
– adjusting confirmation
signal28
– from inside30
– from outside28
– without remote control, refer
to Comfort Access34
Locking and unlocking doors
– confirmation signals28
– from inside30
– from outside27
Low beam control, refer to
High-beam assistant99
Low-beam headlamps97
– automatic97
– replacing bulbs239
Lower back support, refer to
Lumbar support44
Luggage rack, refer to Roof-
mounted luggage rack127
Lumbar support44
M
M+S tires, refer to Winter
tires224
Maintenance, refer to Service
Booklet
Maintenance system231
Malfunction
– automatic transmission with
Steptronic60
– tires89
– trunk lid32
Malfunction warnings, refer to
Check Control80
Manual car wash234
Manual mode, automatic
transmission with
Steptronic59
Manual operation
– door lock30
– driver's door30
– fuel filler flap202
– glass roof38
– panorama glass roof40
– parking lock, automatic
transmission60
– trunk lid32