2012 BMW 128I check engine

Maintenance
222
Socket for Onboard
Diagnosis OBD
On the driver's side is an OBD socket for check-
ing components relevant to the composition of
the vehicle's emissions.
Emissions
The warning lamp lights up:
The vehicle is producing higher emis-
sions. The trip can be continued. Have
the car checked as soon as possible.
Canadian models display this warning
lamp.
The lamp flashes under certain condi-
tions. This indicates excessive misfiring in the
engine. If this happens, you should reduce your
speed and visit your nearest BMW center as
soon as possible. Severe engine misfiring can
quickly lead to serious damage of emissions-
related components, especially the catalytic
converter.
The warning lamp comes on if the fuel
cap is not properly tightened and the
OBD system assumes that fuel vapor
is escaping. Make sure that the fuel cap is cor-
rectly positioned and close it until it audibly
clicks.
Data memory
Your vehicle records data about the operation,
faults, and user settings. These data are stored
in the vehicle and in extract form, in the remote
control, and can be read out using suitable
devices at your BMW center. The data that are
read out are used to support service proce-
dures and repairs or to optimize and expand
vehicle functions. If you have a BMW Assist
contract, certain vehicle data can also be trans-
mitted directly from the vehicle in order to
enable the desired services.

Mobility
223Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
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 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
page243.
>If necessary, fold in the outside rearview
mirrors, refer to page51.
>Maximum permissible tire width.
Avoid car washes with guide rail heights
over 4 in/10 cm; otherwise, there is the
danger of damaging chassis parts.<
>In Convertibles, do not treat the convertible
top with wax. Ensure that a program is avail-
able that does not apply wax or is designed
specifically for Convertibles.
Preparations before driving into an automatic
car wash:
>Unscrew the rod antenna
*.
>Deactivate the rain sensor
* to prevent unin-
tentional wiping.
>Remove additional attachments, e.g. spoil-
ers or telephone antennas, if there is a pos-
sibility that they could be damaged.
>Leave the remote control in the ignition
lock.
Automatic 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 into the ignition
lock, even with Comfort Access.
2.Move the selector lever to 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.

Mobility
235Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
can obtain support there in the event of a break-
down.
First aid pouch*
Some of the articles contained in the first aid
pouch have a limited service life. Therefore,
check the expiration dates of the contents reg-
ularly and replace any items in good time, if nec-
essary.
The first aid pouch is located on the right-hand
side of the cargo area in a storage area.
Warning triangle*
The warning triangle is located in a holder in the
trunk lid. Press the tabs to take it out.
Jump-starting
If the car's own battery is flat, your BMW's
engine can be started by connecting two
jumper cables to another vehicle's battery. You
can also use the same method to help start
another vehicle. Only use jumper cables with
fully-insulated clamp handles.Do not touch any electrically live parts
when the engine is running, or a fatal acci-
dent may occur. Carefully adhere to the follow-
ing sequence, both to prevent damage to one or
both vehicles, and to guard against possible
personal injuries.<
Preparation
1.Check whether the battery of the other
vehicle has a voltage of 12 volts and
approximately the same capacitance in Ah.
This information can be found on the bat-
tery.
2.Switch off the engine of the assisting vehi-
cle.
3.Switch off any consumers in both vehicles.
There must not be any contact between
the bodies of the two vehicles; otherwise,
there is a danger of shorting.<
Connecting jumper cables
Connect the jumper cables in the correct
order to prevent sparking at the battery,
which could cause injury.<
Your BMW has a jump-starting connection in
the engine compartment which acts as the bat-
tery's positive terminal, refer also to the Engine
compartment overview on page217. The cap is
marked with +.
1.Pull the cap of the BMW jump-starting con-
nection up to remove.
2.Attach one terminal clamp of the plus/+
jumper cable to the positive terminal of the
battery or a starting-aid terminal of the vehi-
cle providing assistance.

Giving and receiving assistance
236 3.Attach the second terminal clamp of the
plus/+ jumper cable to the positive terminal
of the battery or a starting-aid terminal of
the vehicle to be started.
4.Attach one terminal clamp of the minus/–
jumper cable to the negative terminal of the
battery or to an engine or body ground of
the assisting vehicle.
Your BMW has a special nut as body ground or
negative pole.
5.Attach the second terminal clamp of the
minus/– jumper cable to the negative termi-
nal of the battery or to the engine or body
ground of the vehicle to be started.
Starting the engine
1.Start the engine of the donor vehicle and
allow it to run for a few minutes at slightly
increased idle speed.
2.Start the engine on the other vehicle in the
usual way.
If the first start attempt is not successful,
wait a few minutes before another attempt
in order to allow the discharged battery to
recharge.
3.Let the engines run for a few minutes.
4.Disconnect the jumper cables by reversing
the above connecting sequence.
If necessary, have the battery checked and
recharged.
Never use spray fluids to start the
engine.<
Tow-starting, towing away
Observe the applicable laws and regula-
tions for tow-starting and towing vehi-
cles.<
Do not transport any passengers other
than the driver in a vehicle that is being
towed.<
Using a tow fitting
The screw-in tow fitting must always be carried
in the car. It can be screwed in at the front or
rear of the BMW.
It is stored with the onboard vehicle tool kit
underneath the floor mat in the cargo area, refer
to page227.
Use only the tow fitting provided with the
vehicle and screw it all the way in. Use the
tow fitting for towing on paved roads only. Avoid
lateral loading of the tow fitting, e.g. do not lift
the vehicle by the tow fitting. Otherwise, the
tow fitting and the vehicle could be damaged.<
Access to screw thread
Rectangular cover panel in bumper:
Press the arrow on the cover.
Front

Giving and receiving assistance
238
With a tow truck
Manual transmission and automatic transmis-
sion:
Sport automatic transmission with
double clutch:
Have the BMW transported with a tow truck
with a so-called lift bar, or on a flatbed.
Do not tow the vehicle with just the rear axle
raised as this may cause the steering to turn.
Tow-starting
Avoid tow-starting the vehicle whenever possi-
ble; instead, jump-start the engine, refer to
page235. Vehicles with a catalytic converter
should only be tow-started when the engine is
cold, vehicles with an automatic transmission or
Sport automatic transmission with double
clutch cannot be tow-started at all.
1.Switch on the hazard warning flashers,
comply with local regulations.
2.Switch on the ignition, refer to page57.
3.Shift into 3rd gear.
4.Have the vehicle tow-started with the clutch
completely depressed and then slowly
release the clutch. After the engine starts,
immediately depress the clutch completely
again.5.Stop at a suitable location, remove the tow
bar or rope and switch off the hazard warn-
ing flashers.
6.Have the vehicle checked.

Everything from A to Z
254
Everything from A to Z
Index
A
ABS Antilock Brake
System83
Acceleration assistant, refer to
Launch Control66
Accessories, refer to Your
individual vehicle5
Accident, reporting, refer to
Emergency Request234
Activated-charcoal filter102
Active steering89
Adaptive Light Control95
Additives
– coolant219
– engine oil219
Address, entering125,131
Address for navigation
– entering125
Adjusting temperature100
Airbags90
– sitting safely45
– warning lamp92
Air conditioner99
Air distribution
– automatic100
Airing, refer to Ventilation102
Air outlets, refer to Air
vents99
Air pressure, checking, refer
to Tire inflation
pressure208
Air recirculation, refer to
Recirculated air mode101
Air vents99
Air volume101
AKI, refer to Fuel grade207
Alarm system34
– avoiding unintentional
alarms35
– interior motion sensor35
– switching off an alarm34
– tilt alarm sensor35Albums of music
collection163
ALL program101
All-season tires, refer to
Winter tires215
AM, waveband147
Ambient air, refer to
Recirculated air mode101
Antifreeze
– coolant219
– washer fluid68
Antilock Brake System
ABS83
Anti-theft alarm system, refer
to Alarm system34
Anti-theft system29
Appointments, refer to
Calendar193
Approved axle loads, refer to
Weights245
Approved engine oils219
Approved gross vehicle
weight, refer to Weights245
Apps202
Armrest, refer to Center
armrest108
Arrival time
– computer72
Ashtray109
Assistance systems, refer to
Dynamic Stability Control
DSC83
AUC Automatic recirculated
air control101
Audible instructions, refer to
Voice instructions136
Audio144
– controls144
– switching on/off144
– tone control144
– volume144Automatic
– air distribution100
– air volume100
– cruise control68
– headlamp control94
Automatic car washes223
Automatic climate control99
Automatic curb monitor52
Automatic high beams and
low beams, refer to High-
beam Assistant96
Automatic lamps
– refer to Welcome lamps94
Automatic recirculated air
control AUC101
Automatic Service
Request202
Automatic transmission with
Steptronic59
– selector lever lock60
– shiftlock60
– towing236
– tow-starting236
AUTO program for automatic
climate control100
AUX-IN port166
Available services202
Average fuel consumption72
– setting the units74
Average speed72
Avoid highways in
navigation134
Avoiding unintentional
alarms35
Axle loads, refer to
Weights245
B
Backrests, refer to Seats46
Backrest width adjustment47
Back seats, refer to Rear seats
– adjusting head restraints48

Everything from A to Z
256 Cargo area lid, refer to Trunk
lid33
Cargo area net, refer to
Securing cargo120
Cargo loading119
– securing cargo120
– stowing cargo120
– vehicle119
Car jack
– jacking points232
Car key, refer to Integrated
key/remote control28
Car phone
– installation location, refer to
Center armrest108
– refer to separate Owner's
Manual
Car phone, refer to
Telephone176
Car radio, refer to Radio147
Car shampoo224
Car wash223
Catalytic converter, refer to
Hot exhaust system117
CD, audio playback155
CD changer155,159
– controls144
– fast forward/reverse157
– filling or emptying the
magazine159
– random play sequence156
– selecting a track155
– switching on/off144
– tone control144
– volume144
CD player155
– controls144
– fast forward/reverse157
– random order156
– selecting a track155
– switching on/off144
– tone control144
– volume144
Center armrest108
Center brake lamp, replacing
bulb231
Center console, refer to
Around the center
console14Central key, refer to Integrated
key/remote control28
Central locking
– from inside32
– from outside29
Central locking system29
– Comfort Access35
Changes, technical, refer to
For your own safety5
Changing bulbs227
Changing gears64
Changing the language on the
Control Display81
Changing wheels231
Chassis number, refer to
Engine compartment217
Check Control78
Child restraint fixing system
LATCH55
Child restraint systems54
Child seats54
Chrome parts225
Chrome polish225
Cigarette lighter109
Cleaning headlamps67
– washer fluid68
Cleaning your BMW, refer to
Care223
Climate control
– automatic air
distribution100
Clock70
– 12h/24h mode77
– setting the time and date77
– setting time76
Closing
– from inside32
– from outside29
Clothes hooks108
Cold start, refer to Starting the
engine58
Comfort Access35
– replacing the battery37
Comfort access, refer to
Comfort Access35
Comfort area, refer to Around
the center console14Compartment for remote
control, refer to Ignition
lock57
Compass106
Computer71
– displays on Control
Display72
Computer, refer to iDrive16
Concierge service199
Condensation, refer to When
the vehicle is parked119
Condition Based Service
CBS221
Configuring settings, refer to
Personal Profile28
Confirmation signals for
locking/unlocking the
vehicle30
ConnectedDrive198
Connecting vacuum cleaner,
refer to Connecting
electrical appliances109
Consumption, refer to
Average fuel
consumption72
Contacts188
– deleting190,197
– exporting/importing197
– new contact189
Control Center, refer to
iDrive16
Control Display16,17
Control Display, refer to iDrive
– switching on/off17
Controller, refer to iDrive16
Controls and displays10
Convenient opening and
closing
– windows30
– windows with Comfort
Access36
– with Comfort Access36
Convenient start, refer to
Starting the engine58
Convertible
– rollover protection
system92
– top40
– wind deflector43

Reference 257
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
Convertible top
– convenient opening30
Convertible top care224
Coolant219
– checking level220
– filling220
Coolant temperature219
Cooling, maximum100
Cooling fluid, refer to
Coolant219
Copyright2
Corner-illuminating lamps95
Cornering light, refer to
Adaptive Light Control95
Country codes DVD157
Courtesy lamps98
Criteria for route134
Cross-hairs in navigation130
Cruise control68
Cruising range72
Cupholders108
Curb weight, refer to
Weights245
Current fuel consumption72
Current playback
– external devices168
– of music collection163
Customer Relations201
D
Dashboard, refer to
Cockpit10
Dashboard lighting, refer to
Instrument lighting98
Data, technical242
– capacities246
– dimensions243
– engine242
– weights245
Data memory222
Data transfer202
Date
– setting78
– setting format78
Daytime running lights, switch
positions95
DBC Dynamic Brake
Control83Deactivating front passenger
airbags91
Deadlocking, refer to
Locking30
Defect
– door lock32
– fuel filler flap206
– glass roof40
Defining a home address190
Defogging windows101
Defrosting windows101
Defrosting windows and
removing condensation101
Defrosting windshield, refer to
Defrosting windows101
Defrost position, refer to
Defrosting windows101
Destination, entering by town/
city name125
Destination address
– entering125,131
Destination entry via BMW
Assist129
Destination for navigation
– entering by voice131
– entering via map130
– entry125
– home address128
– manual entry125
Destination guidance134
– bypassing a route
section135
– changing specified
route134
– continuing134
– starting134
– voice instructions136
– volume of voice
instructions136
Differential, breaking in116
Digital clock70
,76
Digital compass106
Digital radio, refer to HD
Radio148
Dimensions243
Directional indicators, refer to
Turn signals66
Direction instructions, refer to
Voice instructions136Directory for navigation, refer
to Address book127
Displacement, refer to Engine
data242
Display, refer to Control
Display16
Displaying contact
pictures190
Display lighting, refer to
Instrument lighting98
Displays, refer to Instrument
cluster12
Displays and controls10
Disposal
– of coolant219
– remote control battery37
– vehicle battery232
Distance, refer to
Computer72
Distance remaining to service,
refer to Service
requirements74
Distance to destination, refer
to Computer72
Distance warning, refer to
Park Distance Control
PDC82
Door key, refer to Integrated
key/remote control28
Door lock32
Door lock, confirmation
signals30
Doors, manual operation32
DOT Quality Grades212
Draft-free ventilation102
Drinks holders, refer to
Cupholders108
Drive mode63
Drive-off assistance, refer to
DSC83
Drive-off assistant84
Driving dynamics control64
Driving lamps, refer to Parking
lamps/low beams94
Driving notes116
Driving off on hills, refer to
Drive-off assistant84
Driving stability control
systems83