2008 BMW M3 CONVERTIBLE dimensions

Wheels and tires
114 work is not carried out properly, there is a dan-
ger of subsequent damage and related safety
h a z a r d s . M a k e s u re t h a t t h e n e w w h ee l s a r e b a l-
anced.<
Retreaded tires
BMW recommends that you do not use
retreaded tires, since driving safety may
be impaired. The causes for this include poten-
tially different tire casing structures and often
wide variations in tire age, which can result in a
limited service life.<
Correct wheels and tires
BMW recommends that you use only
wheel and tire combinations that BMW
has tested and approved for your particular
vehicle. Variations in factors such as manufac-
turing tolerances mean that even wheels and
tires with identical official size ratings could
actually have different dimensions, which could
lead to body contact and thus to severe acci-
dents. When selecting tires, also take their load
capacity into account. If non-approved wheels
and tires are used, BMW cannot evaluate their
suitability, and therefore cannot guarantee their
driving safety.<
You can inquire about the right wheel/tire com-
bination at your BMW center.
The correct combination of wheels and tires is
also necessary to ensure reliable operation of
various vehicle systems such as ABS or DSC.
To maintain good handling and vehicle
response, use only tires of a single brand and
tread configuration. After a tire has been dam-
aged, mount the previous wheel and tire combi-
nation again as soon as possible.
Wheels with Tire Pressure Monitor
TPM electronics
When mounting new tires or changing over
from summer to winter tires, or vice versa, only
use wheels with TPM electronics; otherwise the
Tire Pressure Monitor may not be able to detect
a puncture, refer to page70. Your BMW center
will be glad to advise you.
Recommended tire brands
Certain makes of tire are recommended by
BMW for each tire size. They are marked with a
clearly visible BMW designation on the sidewall
of the tire.
When properly used, these tires meet the high-
est standards in terms of safety and handling
characteristics.
Special characteristics of winter tires
BMW recommends winter tires for use in cold
winter driving conditions. Although all-season
M+S tires provide better winter traction than
summer tires, they generally fail to provide the
same levels of cold-weather performance as
winter tires.
Pay attention to speed
Always comply with the speed limit for the
winter tires mounted on your car; failure
to do so could result in tire damage and acci-
dents.<
Storage
Store wheels and tires in a cool, dry place with
as little exposure to light as possible. Always
protect tires against all contact with oil, grease
and fuels. Do not exceed the maximum tire
inflation pressure indicated on the sidewall of
the tire.
Swapping wheels between axles
BMW advises against swapping wheels
between the front and rear axles, even if all tires
have the same size, as this could impair driving
characteristics. With standard-equipment tires

Reference
At a glance
Controls
Driving tips
Mobility
123
Care
Care products
Regular cleaning and care contributes signifi-
cantly to the value retention of your BMW.
BMW recommends cleaning and caring for your
vehicle with products that are approved by
BMW for this purpose.
Your BMW center will be happy to advise you on
the products and services available for cleaning
and caring for your BMW.
Original BMW CareProducts have been
material tested, laboratory checked and
proven in the field, and offer optimal care and
protection for your vehicle.<
Do not use cleaners that contain alcohol
or solvents as these may result in dam-
age.<
Cleaning agents can contain substances
that are dangerous or hazardous to your
health. Therefore, follow the warning and safety
instructions on the packaging. When cleaning
inside the vehicle, always open the doors or
windows of the vehicle. In enclosed areas, pro-
vide for sufficient ventilation. Only use products
designed for cleaning vehicles.<
Exterior care
Washing the vehicle
Especially during the winter months,
ensure that the vehicle is washed more
frequently. Heavy soiling and road salt can lead
to vehicle damage.<
After washing the vehicle, apply the
brakes briefly to dry them, otherwise
water can reduce braking efficiency over the
short term and the brake discs can corrode.<
Automatic car washes
Preference should be given to cloth car washes.Do not use high-pressure car washes,
otherwise water may drip into the vehicle
around the windows.<
Before driving into a car wash, ensure that it is
suitable for your BMW. Check the following:
>Dimensions of your vehicle, refer to
page153.
>If necessary: fold in the exterior mirrors,
refer to page41.
>Maximum permissible tire width.
Preparations before driving into an automatic
car wash:
>Deactivate the rain sensor
* to avoid unin-
tentional activation of the wipers.
>Remove additional attachments, e.g.
spoiler or telephone antennas, if there is a
possibility that they could be damaged.
M dual clutch transmission
Before driving into an automatic car wash, per-
form the following steps to ensure that the vehi-
cle can roll:
1.Insert the remote control, even with conve-
nient access, into the ignition lock.
2.Engage transmission position N.
3.Release the parking brake.
4.Switch off the engine.
5.Leave the remote control in the ignition lock
so that the vehicle can roll.
Steam jets / high-pressure washers
When using steam jets or high-pressure
washers, ensure that you maintain a suffi-
cient clearance to the vehicle and do not exceed
a temperature of 1407/606.
Insufficient clearance or excessive pressure or
temperature can lead to component damage or
water penetration. Follow the operating instruc-
tions of the high-pressure washer.<
When using high-pressure washers, do
not spray against the sensors and cam-

Reference
At a glance
Controls
Driving tips
Mobility
153
Dimensions
Coupe
All dimensions given in inches/mm.
Smallest turning circle dia.: 38 ft 5 in/11.7 m.

Technical data
154
Convertible
All dimensions given in inches/mm.
Smallest turning circle dia.: 38 ft 5 in/11.7 m.

Everything from A to Z
158 Child-restraint fixing system
LATCH45
Child-restraint systems44
Child seats, refer to
Transporting children
safely44
Chrome parts125
Chrome polish125
Cigarette lighter, refer to
Lighter90
Cleaning headlamps56
– washer fluid57
Cleaning your BMW, refer to
Care123
Clock59
– 12h/24h format62
– setting time64
Closing
– from inside23
– from outside19
Clothes hooks89
Cockpit10
Cold start, refer to Starting the
engine47
Combined instrument, refer to
Instrument cluster12
Comfort access, refer to
Convenient access27
Comfort area, refer to Around
the center console14
"Comfort" with EDC69
Compartment for remote
control, refer to Ignition
lock46
Compass86
Computer60
Condensation, refer to When
the vehicle is parked100
Condition Based Service
CBS121
Configuring settings, refer to
Personal Profile18
Confirmation signals for
locking/unlocking the
vehicle21
Connecting vacuum cleaner,
refer to Connecting
electrical appliances90Consumption, refer to
Average consumption61
Consumption indicator, refer
to Average consumption61
Controls and displays10
Convenient access27
– replacing the battery28
Convenient loading in
convertible21
Convenient operation
– glass roof20
– glass roof with convenient
access27
– retractable hardtop20
– windows20
– windows with convenient
access27
Convertible
– bag holder92
– convenient loading21
– enlarging cargo bay91
– folding down rear
backrest92
– retractable hardtop31
– rollover protection
system74
– securing cargo101
Coolant119
– checking level119
Coolant temperature60
Cooling, maximum81
Cooling fluid, refer to
Coolant119
Cooling system, refer to
Coolant119
Copyright2
Corner-illuminating lamps,
refer to Adaptive Head
Light77
Cornering lamps, refer to
Adaptive Head Light77
Correct tires114
Courtesy lamps, refer to
Interior lamps79
Cruise control57
Cruising range61
Cup holders89
Curb weight, refer to
Weights155
D
Dashboard, refer to
Cockpit10
Dashboard, refer to
Instrument cluster12
Dashboard lighting, refer to
Instrument lighting78
Data, technical152
– dimensions153
– engine152
– weights155
Date
– setting64
Daytime running lamps77
Deactivating front passenger
airbags73
Deadlocking, refer to
Locking20
Defect
– door lock22
– fuel filler door108
– glass roof30
Digital clock59
Digital compass86
Dimensions153
Directional indicators, refer to
Turn signals55
Displacement, refer to Engine
data152
Display lighting, refer to
Instrument lighting78
Displays, refer to Instrument
cluster12
Displays and controls10
Disposal
– coolant119
– remote control battery28
– vehicle battery133
Distance remaining to service,
refer to Service
requirements63
Distance warning, refer to
Park Distance Control
PDC67
Door key, refer to Remote
control18
Door lock22

Everything from A to Z
160 Filter
– refer to Microfilter/activated-
charcoal filter for automatic
climate control83
First aid pouch136
Fixture for remote control,
refer to Ignition lock46
Flashlight, refer to LED hand
lamp88
Flash when locking/
unlocking21
Flat tire
– Tire Pressure Monitor
TPM70
Flat tire, repairing131
Flat Tire Monitor FTM69
– indicating a flat tire70
– indicator/warning lamp70
– initializing the system69
– malfunction70
– snow chains69,115
– system limits69
Flat tires, refer to Tire
condition113
Fluid reservoir, refer to
Washer fluid reservoir57
Folding in the mirrors, before
driving into a car wash41
Folding up the floor panel93
Footbrake, refer to Braking
safely99
Footwell lamps, refer to
Interior lamps79
Forward position, engaging,
refer to Selector lever
positions49
For your own safety5
Front airbags72
FTM, refer to Flat Tire
Monitor69
Fuel109
– average consumption61
– gauge60
– high-quality brands109
– quality109
– specifications109
– tank contents, refer to
Capacities155Fuel clock, refer to Fuel
gauge60
Fuel display, refer to Fuel
gauge60
Fuel filler door108
– releasing in the event of
electrical malfunction108
Fuses133
G
Garage door opener, refer to
Integrated universal remote
control84
Gasoline
– refer to Average
consumption61
Gasoline, refer to Required
fuel109
Gasoline display, refer to Fuel
gauge60
Gasoline engine, checking
engine oil level117
Gear
– neutral50
Gear change51
Gear display, refer to Displays
in the instrument cluster51
Gearshift lever
– manual transmission48
Gearshifts
– manual transmission48
General driving notes98
Glass roof, electric30
– closing after electrical
malfunction30
– convenient operation20,22
– initializing30
– opening, closing30
– operation with convenient
access27
– pinch protection system30
– power failure30
– raising30
– remote control20
Glove compartment87
– LED hand lamp88
Grills80Gross vehicle weight, refer to
Weights155
H
Handbrake, refer to Parking
brake48
Hand lamp, refer to LED hand
lamp88
Hands-free system14
Hazard warning flashers14
Head airbags72
Headlamp control,
automatic76
Headlamp flasher55
– indicator lamp11,14,140
Head restraints37
– front, removing37
– rear, removing38
– sitting safely35
Heated
– mirrors42
– rear window82
– seats38
Heating
– mirrors42
– rear window82
– residual heat82
– seats38
Heating and ventilation, refer
to Climate80
Heating while at a standstill,
refer to Using residual
heat82
Heavy loads, refer to Stowing
cargo101
Height, refer to
Dimensions153
Height adjustment
– seats36
– steering wheel42
High beams78
– headlamp flasher78
– indicator lamp140
High-pressure
washer123,124
High water, refer to Driving
through water99
Hills99

Reference
At a glance
Controls
Driving tips
Mobility
161
Holders for cups89
Homepage BMW4
Hood116
Hooks for shopping bags92
Horn10,11
Hotel function25
Hot exhaust system98
Hydraulic brake assist, refer to
Brake assist68
Hydroplaning99
I
Ice warning, refer to Outside
temperature warning59
Identification marks, tire
coding112
Ignition46
– switched off47
– switched on46
Ignition key, refer to Remote
control18
Ignition key position 1, refer to
Radio readiness46
Ignition key position 2, refer to
Ignition on46
Ignition lock46
Imprint2
Indicator and warning
lamps13
– Tire Pressure Monitor
TPM71
Indicator and warning lamps,
overview140
Inflation pressure, refer to Tire
inflation pressure110
Inflation pressure monitoring,
refer to Tire Pressure
Monitor TPM70
Initializing
– after power failure133
– compass, refer to Digital
compass, calibrating86
– Flat Tire Monitor FTM69
– glass roof30
Installation location
– telephone88
Instrument cluster12
Instrument lighting78Instrument panel, refer to
Cockpit10
Integrated key18
Integrated universal remote
control84
Interior lamps79
– remote control20
Interior motion sensor26
Interior rearview mirror42
– automatic dimming
feature42
– compass86
Intermittent mode of the
wipers56
J
Jacking points133
Jumpering, refer to Jump
starting136
Jump starting136
K
Key, refer to Remote
control18
Keyless go, refer to
Convenient access27
Keyless opening and closing,
refer to Convenient
access27
Key Memory, refer to Personal
Profile18
Knock control109
L
Lamps
– automatic headlamp
control76
– parking lamps/low beams76
Lamps and bulbs, replacing
bulbs127
Lap-and-shoulder belt, refer
to Safety belts40
Lashing eyes, refer to
Securing cargo101
LATCH child-restraint fixing
system45Launch Control53
Leather care125
LED hand lamp88
LED light-emitting diodes128
Length, refer to
Dimensions153
License plate lamp, replacing
bulb131
Light-alloy wheels125
Light-emitting diodes
LED128
Lighter90
– connecting electrical
appliances90
Lighting
– instruments78
– lamps and bulbs127
– vehicle, refer to Lamps76
Light switch76
Load securing equipment,
refer to Securing cargo101
Lock buttons, doors, refer to
Locking24
Locking
– adjusting confirmation
signal21
– from inside24
– from outside20
– without remote control, refer
to Convenient access27
Locking and unlocking doors
– confirmation signals21
– from inside23
– from outside19
Low-beam headlamps76
– automatic76
– indicator lamp, defective
bulb147
Lower back support, refer to
Lumbar support36

Everything from A to Z
162 Luggage compartment lid24
– convenient access27
– emergency operation, refer
to Opening manually24
– emergency release25
– locking or unlocking
separately25
– opening from inside24
– opening from outside24
– opening manually24
– remote control20
Luggage rack, refer to Roof-
mounted luggage rack102
Lumbar support36
M
M+S tires, refer to Winter
tires114
Maintenance, refer to Service
Booklet
Maintenance system121
Malfunction
– luggage compartment lid24
– tires70
Malfunction warnings, refer to
Check Control65
Manual car wash124
Manual operation
– door lock22
– driver's door22
– fuel filler door108
– glass roof30
– luggage compartment lid24
– transmission lock51
Manual transmission48
– tow-starting139
Master key, refer to Remote
control18
Maximum cooling81
Maximum speed
– with winter tires114M dual clutch transmission
with Drivelogic49
– kick-down50
– Launch Control53
– neutral50
– reverse gear50
– sequential mode50
– Shift Lights52
– shiftlock50
– tow-starting139
– unlocking transmission lock
manually51
Measurements, refer to
Dimensions153
Memory, refer to Seat and
mirror memory39
M Engine Dynamics
Control54
Microfilter
– BMW Maintenance
System121
– for automatic climate
control83
Microfilter/activated-charcoal
filter
– BMW Maintenance
System121
Microphone
– telephone14
– voice input14
Mirror dimming feature42
Mirrors41
– automatic curb monitor42
– exterior mirrors41
– heating42
– interior rearview mirror42
– memory, refer to Seat and
mirror memory
39
M Mobility Set131
Mobile phone
– installation location, refer to
Center armrest88
– refer to separate Owner's
Manual
Mobile phone, installation
location, refer to Center
armrest88
Mobile phone, refer to the
separate Owner's ManualModifications, technical, refer
to For your own safety5
Monitoring system for tire
pressures, refer to Flat Tire
Monitor69
Multifunctional steering
wheel, refer to Buttons on
the steering wheel11
Multifunction switch
– refer to Turn signals/
headlamp flasher55
– refer to Wiper system56
N
Neck support, refer to Head
restraints37
Nets, refer to Storage
compartments89
Neutral50
New tires113
"Normal"54
"Normal" with EDC69
Nozzles80
Number of cylinders, refer to
Engine data152
Nylon rope, refer to Tow
rope139
O
OBD socket, refer to Socket
for On-Board Diagnosis122
Octane ratings, refer to Fuel
specifications109
Odometer59
Oil, refer to Engine oil117
Oil consumption117
Oil level117
Old batteries, refer to
Disposal133
Onboard tool kit127
Opening and closing
– convenient access27
– from inside23
– from outside19
– using the door lock22
– via the remote control19