ECU BMW 128I COUPE 2009 User Guide

Reference
At a glance
Controls
Driving tips
Mobility
101
that adequate clearance is maintained for rais-
ing the glass roof, and that objects do not
project into the opening path of the luggage
compartment lid.
Fasten roof-mounted cargo correctly and
securely to prevent it from shifting or falling off
during the trip.
Drive smoothly. Avoid sudden acceleration and
braking maneuvers. Take corners gently.
Rear-mounted luggage rack*
A rear-mounted luggage rack is available as a
special accessory for your BMW. Comply with
the directions given in the installation instruc-
tions.
Mounting points
The mounting points are located under the pro-
tective covers in the bumper.
Loading the rear-mounted luggage
rack
You should always remember not to exceed the
approved roof load capacity, the approved
gross vehicle weight or the axle loads when
loading the rack.
You can find the applicable data under Weights
on page149.

Under the hood
114
Under the hood
Do not work on the car unless you pos-
sess the necessary technical knowledge.
If you are unfamiliar with the statutory guide-
lines, have any work on the vehicle performed
only by a BMW center or by a workshop that
work according to BMW repair procedures with
correspondingly trained personnel. If this work
is not carried out properly, there is a danger of
subsequent damage and related safety haz-
ards.<
Hood
Releasing
Pull the lever.
Opening
To avoid damage, make sure that the
wiper arms are against the windshield
before you open the engine compartment. Do
not open the engine hood before the engine has
cooled down, otherwise injuries may result.<
Press the release handle and open the hood.
Closing
Close the hood from a height of approx. 16 in/
4 0 c m w i t h m o m e n t um . I t m u st b e c l e a r l y h e a r d
to engage.
Make sure that the closing path of the
hood is clear, otherwise injuries may
result.
If you see any signs while driving your vehicle
that the hood is not completely closed, stop at
once and close it securely.<

Reference
At a glance
Controls
Driving tips
Mobility
125
Removing the headlamp cover
1.Pull the wire brackets over the notches, see
arrows, and fold to the side.
2.Fold away the headlamp cover.
Be careful when attaching the headlamp
cover and ensure that both wire brackets
are securely in place, otherwise leaks could
occur and cause damage to the headlamp sys-
tem.<
Attach the headlamp cover in reverse order.
Halogen headlamps
Halogen low beams and high beams
H7 bulb, 55 watts
Always wear gloves and eye protection;
the atmosphere within the H7 bulb is
pressurized. Otherwise there is a risk of injury if
the bulb is damaged.<
The figure shows the right-hand headlamp.
1High beams
2Low-beam headlamps
1.Remove the headlamp cover.
2.Fold down the holding bracket.
3.Remove and replace the bulb.4.Reattach the bulb holder with the notch at
the top.
5.Fold the holding bracket back up and let it
snap into place.
6.Attach the headlamp cover.
Parking lamps, roadside parking lamps
W5W bulb, 5 watts
1.Remove the headlamp cover.
The figure shows the right-hand headlamp.
2.Pull out the bulb holder.
3.Remove and replace the bulb.
4.Reinsert the bulb holder.
5.Attach the headlamp cover.
Xenon headlamps
Parking lamps, roadside parking
lamps, daytime running lamps
H8 bulb, 35 watts
The figure shows the right-hand headlamp.
1.Remove the headlamp cover.
2.Turn the bulb, see arrow, and remove it.
3.Pull off the connector and replace the bulb.

Replacing components
128 When mounting new tires or changing over
from summer to winter tires and vice versa,
mount Run-Flat Tires for your own safety. In the
event of a flat, no spare wheel is available. Your
BMW center will be glad to advise you. Refer
also to New wheels and tires, page112.
The tools for changing wheels are avail-
able as optional accessories from your
BMW center.<
Jack mounting points
The jacking points are at the positions shown in
the illustration.
Vehicle battery
Battery care
The battery is 100 % maintenance-free, the
electrolyte will last for the life of the battery
when the vehicle is operated in a temperate cli-
mate. Your BMW center will be glad to advise in
all matters concerning the battery.
Charging the battery
Only charge the battery in the vehicle via the
terminals in the engine compartment with the
engine off. Connections, refer to Jump starting
on page131.
Disposal
Have old batteries disposed of by your
BMW center or hand them in to a recy-
cling center. Maintain the battery in an upright
position for transport and storage. Always
secure the battery against tipping over during
transport.<
Power failure
After a temporary power loss, the functioning of
some equipment may be limited and require
reinitialization. Individual settings may likewise
have been lost and will have to be programmed:
>Time and date
These values must be updated, refer to
page62.
>Radio
Stations must be stored again, refer to the
separate Owner's Manual for Radio.
>Glass roof
It may happen that the roof can only be
raised. The system must be initialized.
Please contact your BMW center.
>Seat and mirror memory
*
The positions must be stored again, refer to
page39.
>Inside rearview mirror with digital compass
The system must be calibrated, refer to
page88.
Fuses
Never attempt to repair a blown fuse and
do not replace a defective fuse with a sub-
stitute of another color or amperage rating, oth-
erwise this could lead to a circuit overload, ulti-
mately resulting in a fire in the vehicle.<
In the glove compartment
Accessing the fuse box:
1.Open the glove compartment.
2.Remove the damper, arrow1, from the
lower holder by applying forward pressure.

Reference
At a glance
Controls
Driving tips
Mobility
137
Indication in Canadian models:
Warning lamp flashes:
Engine malfunction under high load.
High engine load will result in damage
to the catalytic converterYou can continue your journey, but
moderate your speed and exercise due
caution. Have the vehicle checked
without delay.
Warning lamp comes on:
Engine malfunction with adverse effect
on exhaust emissionsHave the car checked as soon as possi-
ble.
Lights up in red:
Engine overheating Carefully bring the car to a stop, switch
off the engine and allow it to cool down.
Do not open the hood, otherwise there
would be a risk of injury by scalding.
Contact your BMW center.
Lights up in yellow:
Engine too hot Continue driving at more moderate
speed so that the engine can cool
down. Have the engine checked with-
out delay if the situation reoccurs.
Lights up in red:
Battery is no longer being charged.
Alternator malfunctionSwitch off all unnecessary electrical
consumers. Have the vehicle's power
supply system checked immediately.
Lights up in yellow:
Battery charge level very low, battery
aged or not securely connectedHave the battery checked as soon as
possible.
Engine oil pressure too low Stop immediately and switch off the
engine. You cannot continue your jour-
ney. Contact your BMW center.
Engine oil level too low Add engine oil immediately; refer to
page115 for more information.
Indication in US models:
Parking brake applied
Indication in Canadian models:
Parking brake applied
12Cause Special actions to be taken

Reference
At a glance
Controls
Driving tips
Mobility
153
Beverage holders, refer to
Cup holders89
Blower, refer to Air flow
rate80,83
BMW
– car shampoo123
BMW Maintenance
System118
Bottle holders, refer to Cup
holders89
Brake assist, refer to Dynamic
Brake Control65
Brake fluid
– service requirements61
Brake Force Display70
Brake lamps
– Brake Force Display70
– replacing bulb127
Brake pads, breaking in96
Brake rotors98
– brakes96
– breaking in96
Brakes
– ABS65
– BMW Maintenance
System118
– braking safely98
– breaking in96
– parking brake49
– service requirements61
Brake system96
– BMW Maintenance
System118
– breaking in96
– disc brakes98
Breakdown services, refer to
Roadside Assistance130
Breaking in the clutch96
Break-in period96
Bulb changing, refer to Lamps
and bulbs124
Bulbs, changing124
Button for starting the
engine47
Buttons on the steering
wheel11C
California Proposition 65
warning6
Can holders, refer to Cup
holders89
Capacities150
Capacity of the cargo bay149
Car battery, refer to Vehicle
battery128
Car care, refer to Care120
Care120
– automatic car washes120
– care products120
– carpets122
– CD/DVD drives123
– chrome parts122
– convertible top121
– displays123
– exterior120
– fine wood parts123
– headlamps121
– high-pressure washer120
– interior122
– leather122
– light-alloy wheels122
– paintwork121
– plastic parts123
– rubber seals122
– safety belts123
– sensors and cameras123
– upholstery and cloth
trim122
– washing the car
manually121
– windows121
– wiper blades121
Cargo, securing100
Cargo bay
– capacity149
– convenient access27
– enlarging, refer to Through-
loading system91
– lamp, refer to Interior
lamps77
– lid, refer to Luggage
compartment lid23
– opening from outside23Cargo bay lid, refer to
Luggage compartment
lid23
Cargo bay net, refer to
Securing cargo100
Cargo loading99
– securing cargo100
– stowing cargo99
– vehicle99
Car jack
– jacking points128
Car key, refer to Integrated
key/remote control
18
Car phone
– installation location, refer to
Center armrest88
– refer to separate Owner's
Manual
Car shampoo123
Car wash98
Catalytic converter, refer to
Hot exhaust system97
Center armrest88
Center brake lamp, replacing
bulb127
Center console, refer to
Around the center
console14
Central key, refer to Integrated
key/remote control18
Central locking
– from inside22
– from outside19
Central locking system19
– convenient access26
Changes, technical, refer to
For your own safety5
Changing wheels127
Chassis number, refer to
Engine compartment115
Check Control62
Checking oil level115
Child-restraint fixing system
LATCH45
Child-restraint systems44
Child seats44
Chrome parts123
Chrome polish123
Cigarette lighter90

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

Reference
At a glance
Controls
Driving tips
Mobility
159
Remote control18
– battery renewal27
– convenient access26
– garage door opener85
– luggage compartment lid20
– malfunctions21,27
– removing from the ignition
lock47
– service data118
Remote control key, refer to
Integrated key/remote
control18
Replacement fuses, refer to
Fuses128
Replacement remote
control18
Replacing bulbs, refer to
Lamps and bulbs124
Replacing tires, refer to New
wheels and tires112
Reporting safety defects6
Reserve warning, refer to Fuel
gauge57
Reservoir for washer
systems53
Residual heat83
Restraint systems, refer to
Safety belts41
Restraint systems for
children44
Retreaded tires112
Reverse gear
– automatic transmission with
Steptronic50
– manual transmission49
Roadside Assistance130
Roadside parking lamps76
– replacing bulbs125
Roadworthiness test, refer to
Service requirements61
Rollover protection system,
convertible72
– resetting73
Roof load capacity149
Roof-mounted luggage
rack100
Rope, refer to Tow-starting,
towing away133RSC Runflat System
Component, refer to Run-
Flat Tires112
Runflat System Component
RSC, refer to Run-Flat
Tires112
Run-Flat Tires112
– continuing driving with a
damaged tire67
– flat tire67
– new tires112
– remaining driving distance,
refer to Indication of a flat
tire
67
– tire inflation pressure106
– winter tires113
Runflat Tyres, refer to Run-
Flat Tires112
S
Safety-belt height
adjustment41
Safety belts41
– damage41
– indicator lamp41
– reminder41
– sitting safely35
Safety systems
– airbags71
– Antilock Brake System
ABS64
– Dynamic Stability Control
DSC65
– rollover protection system,
convertible72
– safety belts41
Safety tires, refer to Run-Flat
Tires112
Saving fuel96
Screw thread for tow
fitting132
Seat and mirror memory39
Seat belt reminder, refer to
'Fasten safety belts'
reminder41
Seats35
– heating39
– sitting safely35Securing cargo92,93
Selector lever, automatic
transmission with
Steptronic50
Service, refer to Roadside
Assistance130
Service car, refer to Roadside
Assistance130
Service data in remote
control118
Service Interval Display, refer
to Condition Based Service
CBS118
Service requirement display,
refer to Condition Based
Service CBS118
Service requirements61
Settings
– clock, 12h/24h format60
– date format60
Shifting gears with automatic
transmission with
Steptronic50
Shiftlock, refer to Changing
selector lever positions50
Side airbags71
Side windows, refer to
Windows27
Signal horn, refer to Horn10
Sitting safely35
– airbags35
– safety belt35
Ski bag92
Sliding/tilt sunroof, refer to
Glass roof, electric
29
Slot for remote control47
Smokers' package, refer to
Ashtray90
Snap-in adapter, refer to
Center armrest88
Snow chains113
Socket, refer to Connecting
electrical appliances90
Socket for On-Board
Diagnosis OBD119
Spare fuses128
Special oils, refer to Specified
engine oils116
Specified engine oils116

Reference
At a glance
Controls
Driving tips
Mobility
161
TPM, refer to Tire Pressure
Monitor68
Traction control, refer to
Dynamic Stability Control
DSC65
Transmission
– automatic transmission with
Steptronic49
– manual transmission49
Transporting children
safely44
Transport securing devices,
refer to Securing cargo100
Tread depth, refer to Minimum
tire tread111
Trip-distance counter, refer to
Trip odometer56
Triple turn signal activation52
Trip odometer56
Trunk, refer to Cargo bay
Trunk lid, refer to Luggage
compartment lid23
Turn, indicating
– triple turn signal52
Turning circle, refer to
Dimensions147
Turn signals51
– indicator lamp12
– replacing bulbs126
Tying down loads, refer to
Cargo loading100
U
Underbody protection, refer to
Caring for your vehicle
Uniform Tire Quality Grading/
UTQR110
Units of measure
– average fuel
consumption60
– temperature60
Universal garage door opener,
refer to Integrated universal
remote control85
Universal remote control85
Unlatching, refer to
Unlocking19Unlocking
– from inside23
– from outside19
– luggage compartment lid27
– without remote control, refer
to Convenient access26
Unlocking without a key, refer
to Convenient access26
V
Vehicle
– battery128
– breaking in96
– cargo loading99
– decommissioning, refer to
Vehicle storage
– dimensions147
– Identification Number, refer
to Engine compartment115
– parking48
– weight149
Vehicle jack128
Vehicle storage123
Ventilation81,84
– draft-free81,84
Vents, refer to Air vents79
Vents, refer to
Ventilation81,84
Volume
– fuel tank, refer to
Capacities150
W
Warm
– steering wheel43
Warning and indicator
lamps13,134
Warning messages, refer to
Check Control62
Warning triangle131
Washer fluid53
– content of the reservoir53
Washer fluid filler neck53
Waste tray, refer to Ashtray90
Water on roads, refer to
Driving through water98
Water penetration120,121Wear indicators in tires, refer
to Minimum tread depth111
Weights149
Welcome lamps74
Wheelbase, refer to
Dimensions147
Wheels, new112
Wheels and tires106
Width, refer to
Dimensions147
Windows27
– convenient operation20
– convenient operation with
convenient access26
– opening, closing27
– pinch protection system28
Windows, defrosting and
removing
condensation81,84
Windshield
– cleaning53
– defrosting and removing
condensation81,84
Windshield wash
– filling capacity, reservoir150
Windshield washer reservoir,
refer to Washer fluid filler
neck53
Windshield washer system52
– washer fluid53
– washer nozzles53
Windshield wiper blades,
changing124
Windshield wipers, refer to
Wiper system52
Winter tires113
– storage113
Wiper blade replacement124
Wiper system52
Wrench/screwdriver, refer to
Onboard tool kit124
X
Xenon lamps
– replacing bulb124