lumbar support BMW 135I 2009 E88 Owner's Manual

Reference
At a glance
Controls
Driving tips
Mobility
37
1Longitudinal direction
2Height
3Angle
4Backrest
The head restraints are adjusted manually, refer
to Head restraints on page37.
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.
To move the front seats forward or backward
from outside or from one of the rear seats: with
the door open, press the front end 1 or rear end
2 of the switch.
Head restraints
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,

Reference
At a glance
Controls
Driving tips
Mobility
157
Initializing
– compass, refer to
Calibrating88
Initializing, Flat Tire Monitor
FTM66
Instrument cluster12
Instrument lighting77
Integrated key18
Integrated universal remote
control85
Interior lamps77
– remote control20
Interior motion sensor25
Interior rearview mirror42
– automatic dimming
feature43
– compass87
Interlock50
Intermittent mode of the
wipers52
J
Jacking points128
Jumpering, refer to Jump
starting131
Jump starting131
K
Key, refer to Integrated key/
remote control18
Keyless go, refer to
Convenient access26
Keyless opening and closing,
refer to Convenient
access26
Key Memory, refer to Personal
Profile18
Kick-down50
Knock control104
L
Lamps
– Adaptive Head Light76
– instrument lighting77
– interior lighting77Lamps, refer to Parking lamps/
low beams74
Lamps and bulbs, replacing
bulbs124
Lashing eyes, refer to
Securing cargo100
LATCH child-restraint fixing
system45
Leather care122
LED Light-emitting
diodes124
Length, refer to
Dimensions147
License plate lamp, replacing
bulb127
Light-alloy wheels122
Light-emitting diodes
LED124
Lighter90
– socket90
Lighting
– lamps and bulbs124
– of instruments77
– of vehicle, refer to Lamps74
Light switch74
Limit, refer to Speed limit
– indicator lamp142
Load99
Load securing equipment,
refer to Securing cargo100
Lock buttons of doors, refer to
Locking23
Locking
– adjusting confirmation
signal21
– from inside23
– from outside20
– without remote control, refer
to Convenient access26
Locking and unlocking doors
– from inside22
– from outside19
Low-beam headlamps74
– automatic74
– replacing bulbs125
Lower back support, refer to
Lumbar support37
Luggage compartment, refer
to Cargo bayLuggage compartment lid23
– convenient access27
– emergency release24
– opening from outside23
– unlocking with remote
control20
Luggage rack, refer to Roof-
mounted luggage rack100
Lumbar support37
M
M+S tires, refer to Winter
tires113
Maintenance, refer to
– BMW Maintenance
System118
– Service booklet
Maintenance system118
Malfunction warnings, refer to
Check Control62
Manual car wash121
Manual operation
– door lock22
– fuel filler door104
– glass roof30
– transmission lock, automatic
transmission51
Manual operation with
automatic transmission50
Manual transmission49
Maximum cooling82
Maximum speed
– for winter tires113
Microfilter/activated-charcoal
filter for automatic climate
control84
Microfilter for heating or air
conditioner81
Microphone for telephone14
Mirror dimming feature43
Mirrors41
– automatic curb monitor42
– exterior mirrors41
– heating42
– interior rearview mirror42
Mobile phone, installation
location, refer to Center
armrest88