2011 BMW 3 SERIES ECU

5.Remove the connecting line from the clip on
the bulb holder.
6.Release the catch at the top on the connec‐
tor of the connecting line and remove the
connector from the bulb holder.
Replacing the bulbs
1.Loosen the four fasteners, arrow 1, on the
bulb holder and remove the bulb holder from
the tail lamp, arrow 2.
2.Press the defective bulb gently into the
socket, turn counterclockwise and remove.
3.Proceed in the reverse order to insert the
new bulb and attach the bulb holder. Make
sure that the bulb holder engages in all fas‐
teners.
Installing the tail lamp
1.Connect the connecting line to the tail lamp
and secure the bulb holder in the clip.
2.Make sure that the sealing ring is on the
centering pin, arrow 2, and is not damaged.
3.Position and firmly press the outer part of
the tail lamp onto the rubber mount, arrow 1
and the inner part onto the centering com‐
ponent, arrow 2. Make sure that the tail lamp
engages in the rubber mount.
4.Screw the two nuts onto the tail lamp and
mount the cover.
Lamps in the trunk lid
General information
Follow the General instructions on lamps and
bulbs, refer to page 279.
Reversing lamps: 21-watt bulb, P21W
Inner brake lamps: 21-watt bulb, H21W
Accessing the lamps
1.Use the screwdriver from the onboard vehi‐
cle tool kit to loosen and completely remove
the six screws on the trim.
2.Carefully loosen the trim from the trunk lid,
starting at the edge and working toward the
area around the recessed grips. Make sure
that the trim does not become stuck.
3.Carefully swing out the trim.
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Replacing the reversing lamp and inner
brake lamp
1.Loosen the two fasteners, arrow 1 and pull
down on the lamp holder to remove, arrow 2.
2.Press the defective bulb gently into the
socket, turn counterclockwise and remove.
3.Insert the new bulb.
Installing the bulb holder
1.Slide the bulb holder onto the two guide
pins, arrow 1. Insert the two contacts, ar‐
row 2, into the connections, arrow 3.
2.Press on the bulb holder. Make sure that the
two exterior fasteners latch into place.
3.Swing the trim back onto the trunk lid and
secure.
Tail lamp, license plate lamp and
central brake lamp
Follow the General instructions on lamps and
bulbs, refer to page 279.
The lamps feature LED technology. Contact
your service center in the event of a malfunction.
Changing wheels
Notes
The vehicle equipment does not include a spare
tire.
When using run-flat tires or tire sealants, a tire
does not need to be changed immediately in the
event of pressure loss due to a flat tire.
The tools for changing wheels are available as
accessories from your service center.
Jacking points for the vehicle jack
The jacking points for the vehicle jack are lo‐
cated at the positions shown.
Vehicle battery
Maintenance
The battery is maintenance-free, i.e., the elec‐
trolyte will last for the life of the battery.
Your service center will be glad to advise you on
questions regarding the battery.
Battery replacement
Use approved vehicle batteries only
Only use vehicle batteries that have been
approved for your vehicle by the manufacturer;
otherwise, the vehicle could be damaged and
systems or functions may not be fully availa‐
ble.◀
After a battery replacement, have the battery
registered on the vehicle by your service center
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to ensure that all comfort functions are fully
available and that any Check Control messages
are no longer displayed.
Charging the battery
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 292, in the
engine compartment with the engine off.
Power failure
After a temporary power loss, some equipment
needs to be reinitialized.
Individual settings need to be reprogrammed:
▷Seat and mirror memory: store the positions
again.
▷Time: update.
▷Date: update.
▷Radio station: save again.
▷Navigation system: wait for the operability of
the navigation.
Disposing of old batteries
Have old batteries disposed of by your
service center or bring them to a recy‐
cling center.
Maintain the battery in an upright position for
transport and storage. Secure the battery so
that it does not tip over during transport.
Fuses
Notes
Replacing fuses
Never attempt to repair a blown fuse and
do not replace a defective fuse with a substitute
of another color or amperage rating; this could
lead to a circuit overload, ultimately resulting in
a fire in the vehicle.◀
Plastic tweezers and information on the fuse
types and locations are stored in the fuse box in
the cargo area.
In the engine compartment
1.Use the onboard vehicle toolkit to loosen the
three cover screws, arrow 1.
2.Pull up the holder, arrow 2.
3.Remove the cover from one side, arrow 3.
4.Press the four fasteners and remove the
cover.
Reattaching the covers
1.When attaching the cover, make sure that all
four fasteners are engaged.
2.Attach the cover under the rubber lip and
then thread it between the bars.
3.Press down on the holder and tighten the
three screws.
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Attaching the tow bar/tow rope correctly
Attach the tow bar or tow rope to the tow
fitting; connecting it to other vehicle parts may
cause damage.◀
▷Switch on the hazard warning system, de‐
pending on local regulations.
▷If the electrical system has failed, clearly
identify the vehicle being towed by placing
a sign or a warning triangle in the rear win‐
dow.
Tow bar
The tow fittings used should be on the same
side on both vehicles.
Should it prove impossible to avoid mounting
the tow bar at an offset angle, please observe
the following:
▷Maneuvering capability is limited during cor‐
nering.
▷The tow bar will generate lateral forces if it
is secured with an offset.
Tow rope
When starting to tow the vehicle, make sure that
the tow rope is taut.
To avoid jerking and the associated stresses on
the vehicle components when towing, always
use nylon ropes or nylon straps.
Attaching the tow rope correctly
Only secure the tow rope on the tow fit‐
ting; otherwise, damage can occur when it is se‐
cured on other parts of the vehicle.◀
Tow fitting
The screw-in tow fitting should always be car‐
ried in the vehicle. It can be screwed in at the
front or rear of the BMW. It is in the onboard ve‐
hicle tool kit located in a storage compartment
on the right side in the cargo area. Open the
cover.
Tow fitting, information on use
▷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, damage to the tow fitting and the ve‐
hicle can occur.◀
Screw thread
Push out the cover by pressing on the top edge.
Front
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Upholstery material care
Vacuum regularly with a vacuum cleaner.
If they are very dirty, e.g., beverage stains, use a
soft sponge or microfiber cloth with a suitable
interior cleaner.
Clean the upholstery down to the seams using
large sweeping motions. Avoid rubbing the ma‐
terial vigorously.
Damage from Velcro® fasteners
Open Velcro® fasteners on pants or other
articles of clothing can damage the seat covers.
Ensure that any Velcro® fasteners are closed.◀
Caring for special components
Light-alloy wheels
Use wheel cleaner, particularly during the winter
months. Do not use aggressive, acidic, strongly
alkaline or abrasive cleaners, or steam jets
above 140 ℉/60 ℃; follow the manufacturer's
instructions.
Chrome surfaces
Carefully clean components such as the radiator
grille or door handles with an ample supply of
water, possibly with shampoo added, particu‐
larly when they have been exposed to road salt.
Rubber components
Aside from water, treat only with rubber cleans‐
ers.
When cleaning rubber seals, do not use any sil‐
icon-containing car care products in order to
avoid damage or reduced noise damping.
Fine wood parts
Clean fine wood facing and fine wood compo‐
nents only with a moist rag. Then dry with a soft
cloth.
Plastic components
These include:
▷Imitation leather surfaces.
▷Headliner.
▷Lamp lenses.
▷Instrument cluster cover.
▷Matte black spray-coated components.
▷Painted parts in the interior.
Clean with a microfiber cloth.
Lightly dampen the cloth with water.
Do not soak the headliner.
Do not use cleansers that contain alcohol
or solvents
Do not use cleansers that contain alcohol or sol‐
vents, such as lacquer thinners, heavy-duty
grease removers, fuel, or such; this could lead to
surface damage.◀
Safety belts
Dirty belt straps impede the reeling action and
thus have a negative impact on safety.
Chemical cleaning
Do not clean chemically; this can destroy
the webbing.◀
Use only a mild soapy solution, with the safety
belts clipped into their buckles.
Do not allow the reels to retract the safety belts
until they are dry.
Floor carpets and floor mats
No objects in the area around the pedals
Keep floor mats, carpets, and any other
objects out of the area of motion of the pedals;
otherwise, the function of the pedals could be
impeded while driving
Do not place additional floor mats over existing
mats or other objects.
Only use floor mats that have been approved for
the vehicle and can be properly fixed in place.
Ensure that the floor mats are securely fastened
again after they were removed for cleaning, for
example.◀
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Blinds, sun protection 43
Bluetooth audio 213
Bluetooth connection, activat‐
ing/deactivating 222, 229
BMW Assist 250
BMW Homepage 6
BMW Internet page 6
BMW Maintenance Sys‐
tem 277
BMW Search 252
Bottle holder, refer to Cu‐
pholder 150
Brake assistant 104
Brake discs, breaking in 156
Brake force display 102
Brake lamps, brake force dis‐
play 102
Brake lights, adaptive 102
Brake pads, breaking in 156
Braking, notes 157
Breakdown assis‐
tance 290, 291
Breaking in 156
Brightness of Control Dis‐
play 85
Bulb replacement 279
Bulb replacement, front 280
Bulb replacement, halogen
headlamps 280
Bulb replacement, rear 285
Bulb replacement, xenon
headlamps 283
Bulbs and lamps 279
Button, RES 111
Button, Start/Stop 59
Bypassing, refer to starting
aid 291
C
Calendar 243
California Proposition 65
Warning 7
Camera, backup camera 125
Camera, care 299
Camera, Side View 128
Camera, Top View 127
Can holder, refer to Cu‐
pholder 150
Car battery 287
Car care products 297
Care, displays 299
Care, vehicle 297
Cargo 159
Cargo area, enlarging 146
Cargo area lid 37
Cargo area, storage compart‐
ments 151
Cargo straps, securing
cargo 160
Car key, refer to Remote con‐
trol 30
Carpet, care 298
Car wash 296
Catalytic converter, refer to
Hot exhaust system 156
CBS Condition Based Serv‐
ice 277
CD/DVD 198
CDs, storing 205
Cell phone 220, 228
Center armrest 149
Center console 14
Central locking system 33
Central screen, refer to Control
Display 16
Changes, technical, refer to
Safety 6
Changing parts 279
Changing wheels 287
Changing wheels/tires 269
Check Control 73
Children, seating position 55
Children, transporting
safely 55
Child restraint fixing sys‐
tem 55
Child restraint fixing system
LATCH 56
Child restraint fixing systems,
mounting 55
Child safety locks 58
Child seat, mounting 55
Child seats 55
Chrome parts, care 298
Cigarette lighter 145
Cleaning, displays 299
Climate control 134, 136
Clock 76
Closing/opening from in‐
side 37
Closing/opening via door
lock 36
Closing/opening with remote
control 34
Clothes hooks 151
Collision warning 115, 117
Combination switch, refer to
Turn signals 64
Combination switch, refer to
Wiper system 65
Comfort Access 38
COMFORT program, Dynamic
Driving Control 107
Compartments in the
doors 149
Compass 143
Computer 81
Concierge service 251
Condensation on win‐
dows 138
Condensation under the vehi‐
cle 158
Condition Based Service
CBS 277
Confirmation signal 35
Contacts 239, 0
Control Display 16
Control Display, settings 83
Controller 16, 17
Control systems, driving sta‐
bility 104
Convenient opening 34
Coolant 276
Coolant temperature 76
Cooling function 135, 137
Cooling, maximum 137
Cooling system 276
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Engine stop 61
Engine temperature 75
Entering a car wash 296
Equalizer 188
Equipment, interior 141
ESP Electronic Stability Pro‐
gram, refer to DSC 104
Exchanging wheels/tires 269
Exhaust system 156
Exterior mirror, automatic dim‐
ming feature 53
Exterior mirrors 52
External devices 210
External start 291
External temperature dis‐
play 76
External temperature warn‐
ing 76
Eyes for securing cargo 160
F
Fader 188
Failure message, refer to
Check Control 73
False alarm, refer to Uninten‐
tional alarm 41
Fan, refer to Air flow 135
Fan, refer to Air volume 138
Fault displays, refer to Check
Control 73
Filler neck for engine oil 274
Fine wood, care 298
First aid kit 291
Fitting for towing, refer to Tow
fitting 294
Flat tire, changing wheels 287
Flat Tire Monitor FTM 97
Flat tire, Tire Pressure Monitor
TPM 94
Flat tire, warning lamp 95, 98
Flooding 157
Floor carpet, care 298
Floor mats, care 298
FM/AM station 190
Fogged up windows 135
Fold-out position, windshield
wipers 66
Foot brake 157
Front airbags 91
Front fog lamps 89
Front fog lamps, front, bulb re‐
placement 284
Front lamps 280
Front passenger airbags, au‐
tomatic deactivation 93
Front passenger airbags, indi‐
cator lamp 93
FTM Flat Tire Monitor 97
Fuel cap 260
Fuel consumption, current 77
Fuel consumption, refer to
Average fuel consump‐
tion 82
Fuel filler flap 260
Fuel gauge 75
Fuel quality 262
Fuel, tank capacity 305
Fuse 288
G
Garage door opener, refer to
Integrated universal remote
control 141
Gas station recommenda‐
tion 178
Gear change, automatic trans‐
mission 67
Gear shift indicator 78
General driving notes 156
Glass sunroof, powered 43
Glove compartment 148
Gong, volume equaliza‐
tion 189
GPS navigation 168
Gray display of the map 181
Gross vehicle weight, ap‐
proved 304
Gross weight, permissible for
trailer towing 304
H
Handbrake, refer to parking
brake 63
Hand-held transmitter, alter‐
nating code 142
Hazard warning flashers 290
HD Radio 191
Head airbags 91
Headlamp control, auto‐
matic 87
Headlamp courtesy delay fea‐
ture 87
Headlamp flasher 64
Headlamp glass 280
Headlamps 280
Headlamps, care 297
Headlamp washer system 65
Headliner 15
Head restraints 45
Head restraints, front 49
Head restraints, rear 50
Head-up Display 128
Head-up Display, care 299
Heavy cargo, stowing 160
Height, vehicle 302
High-beam Assistant 88
High beams 64
High beams/low beams, refer
to High-beam Assistant 88
Hills 158
Hill start assistant, refer to
Drive-off assistant 108
Hints 6
Holder for beverages 150
Homepage 6
Hood 273
Horn 12
Hotel function, trunk lid 38
Hot exhaust system 156
House number, entering for
navigation 169
Hydroplaning 157
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I
Ice warning, refer to External
temperature warning 76
Icy roads, refer to External
temperature warning 76
Identification marks, tires 267
Identification number, refer to
Important features in the en‐
gine compartment 272
iDrive 16
Ignition key, refer to Remote
control 30
Ignition off 59
Ignition on 59
Indication of a flat tire 95, 98
Individual air distribu‐
tion 135, 138
Individual settings, refer to
Personal Profile 31
Inflation pressure, tires 263
Inflation pressure warning
FTM, tires 97
Info display, refer to Com‐
puter 81
Information on the navigation
data 183
Initializing, Flat Tire Monitor
FTM 98
Initializing, Tire Pressure Mon‐
itor TPM 95
Instrument cluster 70
Instrument cluster, electronic
displays 72
Instrument lighting 89
Integrated key 30
Integrated universal remote
control 141
Intensity, AUTO program 137
Interactive map 173
Interior equipment 141
Interior lamps 90
Interior lamps via remote con‐
trol 35
Interior motion sensor 41
Interior rearview mirror 53
Interior rearview mirror, auto‐
matic dimming feature 53
Interior rearview mirror, com‐
pass 143
Intermediate destinations 175
Internet page 6
Intersection, entering for navi‐
gation 169
Interval display, service re‐
quirements 77
iPod/iPhone 210
J
Jacking points for the vehicle
jack 287
Jack, refer to Vehicle jack 287
Joystick, automatic transmis‐
sion 67
K
Key/remote control 30
Keyless Go, refer to Comfort
Access 38
Key Memory, refer to Personal
Profile 31
Kickdown, automatic trans‐
mission 67
Knee airbag 91
L
Lamp replacement 279
Lamp replacement, front 280
Lamp replacement, rear 285
Lamps 86
Lamps and bulbs 279
Lane departure warning 99
Lane margin, warning 99
Language on Control Dis‐
play 84
Lashing eyes, securing
cargo 160
LATCH child restraint fixing
system 56
Leather, care 297
LEDs, light-emitting di‐
odes 280
Length, vehicle 303
Letters and numbers, enter‐
ing 22
Light-alloy wheels, care 298
Light control 88
Light-emitting diodes,
LEDs 280
Lighter 145
Lighting 86
Lighting via remote control 35
Light switch 86
Load 159
Loading 159
Lock, door 36
Locking/unlocking from in‐
side 37
Locking/unlocking via door
lock 36
Locking/unlocking with re‐
mote control 34
Locking, automatic 37
Locking, central 33
Lock, power window 42
Locks, doors, and win‐
dows 58
Low beams 86
Low beams, automatic, refer to
High-beam Assistant 88
Lower back support 47
Luggage rack, refer to Roof-
mounted luggage rack 160
Lumbar support 47
M
Maintenance 277
Maintenance require‐
ments 277
Maintenance, service require‐
ments 77
Maintenance system,
BMW 277
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