2004 BMW M3 CONVERTIBLE lumbar support

48
Adjusting the lumbar support*You can adjust the backrest's contour
for additional support in the curvature
of your spine's lumbar region.
The upper hips and spinal column
receive supplementary support to help
you maintain a relaxed, upright position.
>Increase/decrease curvature: press
front/rear of the switch
>Increase the upper/lower curvature:
press the upper/lower end of the
switch.
Head restraintsFront head restraints1Height
Head restraints reduce the risk of
spinal injury in the event of an
accident.
Adjust the head restraint.
When moving the head restraints up or
down, do not grab on between the
head restraint and the upper edge of
the backrest to avoid the possibility of
injury.<
Tilt:
Position the head restraints manually in
the preferred position.
Power seat adjustment

Everything from A to Z
165
L
Lamp defect 137
Lamps
reading lamps 93
Lamps and bulbs 137
Lashing down loads, refer to
Cargo loading 106
Lashing eyelets, refer to
Securing cargo 107
Lashing fittings, refer to
Securing cargo 107
LATCH child-restraint
mounting system 60
Leather care, refer to the
Caring for your vehicle
brochure
LEDs light-emitting
diodes 94
Length, refer to
Dimensions 155
License plate lamp
bulb replacement 140
Light switch 91
Light-emitting diodes
(LEDs) 94
Lighter 103
LIGHTS ON warning 91
Lights, refer to Parking
lamps/Low beams 91
Load, refer to Cargo
loading 106Loading
vehicle 106
Load-securing devices 107
Lock buttons on doors, refer
to Locking 34
Lock, steering wheel 65
Locking
from inside 34
from outside 31, 33
Locking and unlocking
doors
from inside 34
from outside 31, 33
Low beams 91
automatic 91
bulb replacement 137
indicator lamp, defective
lamp 81Luggage compartment 37
capacity 156
emergency operation,
refer to Manual
operation 35
floor panel 37
increase volume 37
lid 35
lighting 35
opening from outside 35
opening, remote
control 32
opening/closing, refer
to Luggage compartment
lid 35
remote control 32
securing separately 35
volume 156
Luggage compartment lid 35
emergency operation 35
emergency release 36
indicator lamp 81
opening from inside the
vehicle 35
opening from outside 35
remote control 32
unlocking manually 35
Luggage rack, refer to Roof-
mounted luggage rack 108
Lumbar support 48M
M Engine dynamics
control 90
M Mobility system 140
M+S tires, refer to Winter
tires 122
Maintenance 81, 130
Maintenance system 130
Making telephone calls,
refer to the telephone
Owner's Manual
Malfunction
convertible top 42
door lock 33
fuel filler door 24
Malfunction displays 81
Manual operation
convertible top 42
door lock 33
driver's door 33
fuel filler door 24
luggage compartment
lid 35
power convertible top 42
Manual transmission 69
Master keys
with remote control 30
Maximum speed
with winter tires 122
MC operation, refer to the
Owner's Manual for
Radio/Onboard Computer
OverviewControlsMaintenanceRepairsDataIndex

Everything from A to Z
167
Pressure, tires 25, 118
inflating with Mobility sys-
tem 143
Protective function
electric power windows 39
R
Radio remote control key,
refer to Master key with
remote control 30
Radio, refer to the Owner's
Manual for Radio
Rain sensor 76
Raising the floor panel 37
Range 84
Reading lamps
rear 94
Rear lamps
bulb replacement 139
indicator lamp, defective
lamp 81
Rear window heating
automatic climate
control 99
Rear-entry assist 49
Rearview mirror 53
Receiving assistance 146
Recirculated-air mode
automatic climate
control 99
Recirculating the air, refer to
Recirculated-air mode 99Reclining seat, refer to Seat
adjustment 47
Refueling 24
fuel filler door 24
Releasing
hood 123
Remaining distance to ser-
vice 81
Remaining distance, refer to
Range 84
Remote control 31
luggage compartment
lid 32
malfunction 32
Replacement key 31
Replacing lamps, refer to
Lamps and bulbs 137
Replacing tires 119
Reporting safety defects 7
Restraint systems
for children 58
Restraint systems, refer to
Safety belts 50
Reverse gear
manual transmission 69
Rollover protection
system 62
indicator lamp 19
lowering 62
Roof load capacity 156
Roof-mounted luggage
rack 108Rope, refer to Towing the
vehicle 149
S
Safe seating position 46
Safety belt height adjust-
ment 50
Safety belts 50
height adjustment 50
seat-integrated safety belt
system 49
sitting safely 46
warning lamp 18
Safety systems, refer to
Antilock Brake
System 114
Dynamic Stability Control
(DSC) 86
Screwdriver, refer to
Onboard tool kit 136
Seat adjustment 47
BMW sports seat 47
lumbar support 47, 48
power seats 47
Seat belt tensioner, refer to
Safety belts 50
Seat heating 52
Seat memory, refer to Seat
and mirror memory 51
Seat positions, storing 51
Seats 47
Securing cargo 107Securing child-restraint sys-
tem 60
Securing the vehicle
from inside 34
from outside 31, 33
Selector lever
sequential M gearbox with
Drivelogic 70
Selector lever positions
sequential M gearbox with
Drivelogic 70
Sequential M gearbox with
Drivelogic 70
indicator lamp 19, 74
Service and Warranty Infor-
mation Booklet 130
SERVICE ENGINE SOON
warning lamp 19
Service interval display
81, 130
Shift lights 74
Shift paddles 71
Side airbags 55
Side turn signal indicators
bulb replacement 138
Sitting safely
with airbags 46
with safety belts 46
Size 155
Ski bag 104
Slipstream deflector, refer to
Wind deflector 44
OverviewControlsMaintenanceRepairsDataIndex