2016 BMW 4 SERIES CONVERTIBLE ECU

Hood
Hints Working in the engine compartment
Never attempt to perform any service or
repair operations on your vehicle without the
necessary professional technical training.
If you are unfamiliar with the statutory guide‐
lines, have any work on the vehicle performed
only by a service center.
If work is not carried out properly, there is a
danger of subsequent damage and related
safety hazards.◀
Never reach into the engine compart‐
ment
Never reach into spaces or gaps in the engine
compartment; otherwise, there is a risk of in‐
jury, e.g., from rotating or hot parts.◀
Fold down wiper arm
Before opening the hood, ensure that the
wiper arms are against the windshield, or this
may result in damage.◀
Opening the hood1.Pull lever, arrow 1.
Hood is unlocked2.After the lever is released, pull the lever
again, arrow 2.
Hood can be opened.Indicator/warning lights
When the hood is unlocked, a Check Control
message is displayed.
Closing the hood Hood open when driving
If you see any signs that the hood is not
completely closed while driving, pull over im‐
mediately and close it securely.◀
Danger of jamming
Make sure that the closing path of the
hood is clear; otherwise, injuries may result.◀
Let the hood drop from a height of approx. 16
in/40 cm and push down on it to lock it fully.
The hood must audibly engage on both sides.
Seite 200MobilityEngine compartment200
Online Edition for Part no. 01 40 2 960 547 - II/15

Outer brake lamp: 21-watt bulb, H21WLL.
The tail lights feature LED technology. Contact
your service center in the event of a malfunc‐
tion.
Use caution when replacing the bulb
Use caution and proceed one step at a
time when replacing the bulbs to prevent dam‐
age to the tail lights or the vehicle.◀
Removing the exterior tail lamp1.Open trunk lid.2.Use a screwdriver out of the onboard vehi‐
cle tool kit to depress the catch fittings, ar‐
rows, and take off the cover.3.Loosen the two nuts with the screwdriver
handle, arrows.4.Grasp the inner edge of the tail lamp, ar‐
row 1, and carefully pull it backward and
out, arrow 2. Use your free hand to hold it
in place in order to prevent the tail lamp
from coming loose suddenly. Make surethat the foam rubber sealing ring is on the
centering pin.5.Release the catch at the top on the con‐
nector of the connecting line and remove
the connector from the bulb holder.
Replacing the bulbs
1.Loosen the three fasteners, arrows 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 foam rubber 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, ar‐Seite 211Replacing componentsMobility211
Online Edition for Part no. 01 40 2 960 547 - II/15

Power failureAfter a temporary power loss, some equipment
needs to be newly initialized or individual set‐
tings updated, e. g.:▷Seat and mirror memory: store the posi‐
tions again.▷Time: update.▷Date: update.
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 Hints Replacing fuses
Never attempt to repair a blown fuse and
do not replace a defective fuse with a substi‐
tute of another color or amperage rating; this
could lead to a circuit overload, ultimately re‐
sulting in a fire in the vehicle.◀
Plastic tweezers and information on the fuse
types and locations are stored in the fuse box
in the trunk.
In the engine compartment1.Use the onboard vehicle tool kit 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.
Attaching 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.Seite 214MobilityReplacing components214
Online Edition for Part no. 01 40 2 960 547 - II/15

Tow-starting and towingNote Tow-starting and towing
For tow-starting or towing, switch off the
Intelligent Safety systems; otherwise malfunc‐
tions of the individual braking systems might
lead to accidents.◀
Steptronic transmission: transporting
your vehicle
Note Your vehicle is not permitted to be towed.
Therefore, contact a service center in the
event of a breakdown.
Do not have the vehicle towed
Have your vehicle transported on a load‐
ing platform only; otherwise, damage may oc‐
cur.◀
Tow truck
The vehicle should only be transported on a
loading platform.
Do not lift the vehicle
Do not lift the vehicle by the tow fitting or
body and chassis parts; otherwise, damage
may result.◀
Use tow fitting located in the front only for po‐
sitioning the vehicle.
Towing other vehicles
Hints Light towing vehicle
The towing vehicle must not be lighter
than the vehicle being towed; otherwise, it will
not be possible to control the vehicle's re‐
sponse.◀
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 going
around corners.▷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, al‐
ways use nylon ropes or nylon straps.
Tow fitting
The screw-in tow fitting should always be car‐
ried in the vehicle.
The tow fitting can be screwed in at the front
or rear of the BMW.
Seite 219Breakdown assistanceMobility219
Online Edition for Part no. 01 40 2 960 547 - II/15

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.
Carpets and floor mats No objects in the area around the pedals
Keep floor mats, carpets, and any other
objects out of the pedal area; otherwise, the
function of the pedals could be impeded while
driving and create the risk of an accident.
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 attached to
floor.
Ensure that the floor mats are securely fas‐
tened again after they were removed for clean‐
ing, e.g.◀
Floor mats can be removed from the car's inte‐
rior for cleaning.
If the floor carpets are very dirty, clean with a
microfiber cloth and water or a textile cleaner.
To prevent matting of the carpet, rub back and
forth in the direction of travel only.
Sensor/camera lenses
To clean sensors and camera lenses, use a
cloth moistened with a small amount of glass
detergent.
Displays/monitors Cleaning displays and screens
Do not use any chemical or household
cleaning agents; otherwise, surfaces can be af‐
fected.◀Keeping out moisture
Keep all fluids and moisture away from
the unit; otherwise, electrical components can
be damaged.◀
Avoid pressure
Avoid pressing too hard when cleaning
and do not use abrasive materials; otherwise,
damage can result.◀
Clean with a clean, antistatic microfiber cloth.
Long-term
When the vehicle is shut down for longer than three months, special measures must be
taken. Additional information is available from
the service center.Seite 224MobilityCare224
Online Edition for Part no. 01 40 2 960 547 - II/15

Bonus range, ECO PRO 175
Bottle holder, refer to Cu‐ pholders 165
Brake assistant 119
Brake discs, break-in 168
Brake force display 118
Brake lights, adaptive 118
Brake lights, brake force dis‐ play 118
Brake pads, break-in 168
Braking, hints 169
Breakdown assistance 216
Break-in 168
Brightness of Control Dis‐ play 89
Bulb replacement 207
Bulb replacement, front 208
Bulb replacement, LED head‐ lights 209
Bulb replacement, rear 210
Bulb replacement, xenon headlights 208
Bulbs and lights 207
Button, RES 127
Button, Start/Stop 64
Bypassing, refer to Jump- starting 217
C
California Proposition 65 Warning 7
Camera lenses, care 224
Camera, rearview cam‐ era 135
Camera, Side View 138
Camera, Top View 139
Can holder, refer to Cuphold‐ ers 165
Car battery 213
Car care products 222
Care, displays 224
Care, vehicle 222
Cargo 171
Cargo area, enlarging 161
Cargo area partition 49 Cargo area, storage compart‐
ments 165
Cargo, securing 172
Cargo straps, securing cargo 172
Car key, refer to Remote con‐ trol 34
Carpet, care 224
Car wash 221
Catalytic converter, refer to Hot exhaust system 168
CBS Condition Based Serv‐ ice 205
CD/Multimedia, see user's manual for Navigation, En‐
tertainment and Communi‐
cation
Center armrest 164
Center console 16
Central locking system 40
Central screen, refer to Con‐ trol Display 18
Changes, technical, refer to Safety 7
Changing parts 207
Changing wheels 213
Changing wheels/tires 192
Chassis number, see vehicle identification number 9
Check Control 77
Checking the engine oil level electronically 201
Checking the oil level elec‐ tronically 201
Children, seating position 61
Children, transporting safely 61
Child restraint fixing sys‐ tem 61
Child restraint fixing system LATCH 63
Child restraint fixing systems, mounting 61
Child seat, mounting 61
Child seats 61
Chrome parts, care 223 Cigarette lighter 157
Cleaning displays 224
Climate control 145, 148
Clock 81
Closing/opening via door lock 39
Closing/opening with remote control 37
Coasting 177
Coasting with engine decou‐ pled, coasting 177
Coasting with idling en‐ gine 177
Cockpit 14
Combination reel, refer to Turn signals 68
Combination switch, refer to Wiper system 69
Comfort Access 41
COMFORT program, Dy‐ namic Driving Control 122
Compartments in the doors 164
Compass 155
Compressor 194
Computer, refer to On-board computer 85
Condensation on win‐ dows 150
Condensation under the vehi‐ cle 170
Condition Based Service CBS 205
Configuring driving pro‐ gram 123
Confirmation signal 43
ConnectedDrive, see user's manual for Navigation, En‐
tertainment and Communi‐
cation
ConnectedDrive Services
Connecting electrical devi‐ ces 157
Continued driving with a flat tire 102 , 105
Control Display 18 Seite 233Everything from A to ZReference233
Online Edition for Part no. 01 40 2 960 547 - II/15

Engine compartment 199
Engine compartment, work‐ ing in 200
Engine coolant 204
Engine idling when driving, coasting 177
Engine oil 201
Engine oil, adding 202
Engine oil additives 202
Engine oil change 203
Engine oil filler neck 202
Engine oil temperature 80
Engine oil types, alterna‐ tive 203
Engine oil types, ap‐ proved 203
Engine start during malfunc‐ tion 35
Engine start, jump-start‐ ing 217
Engine start, refer to Starting the engine 65
Engine stop 65
Engine temperature 80
Entering a car wash 221
Equipment, interior 153
Error displays, see Check Control 77
ESP Electronic Stability Pro‐ gram, refer to DSC 119
Exchanging wheels/tires 192
Exhaust system 168
Exterior mirror, automatic dimming feature 59
Exterior mirrors 58
External start 217
External temperature dis‐ play 81
External temperature warn‐ ing 81
Eyes for securing cargo 172
F
Failure message, see Check Control 77 False alarm, refer to Uninten‐
tional alarm 45
Fan, refer to Air flow 146, 150
Filler neck for engine oil 202
Fine wood, care 223
First aid kit 217
Fitting for towing, see Tow fit‐ ting 219
Flat tire, changing wheels 213
Flat Tire Monitor FTM 104
Flat tire, Tire Pressure Moni‐ tor TPM 100
Flat tire, warning lamp 101, 104
Flooding 169
Floor carpet, care 224
Floor mats, care 224
Fogged up windows 146
Fold down the rear seat back‐ rest, see Though-loading
system 161
Fold-out position, wiper 70
Foot brake 169
Front airbags 96
Front-end collision warning with braking function 109
Front-end collision warning with City Braking func‐
tion 107
Front fog lights 94
Front fog lights, front, bulb re‐ placement 210
Front lights 208
front-seat passenger airbags, automatic deactivation 98
Front-seat passenger airbags, indicator lamp 98
FTM Flat Tire Monitor 104
Fuel 184
Fuel consumption, current 82
Fuel consumption, refer to Average fuel consump‐
tion 86
Fuel filler flap 182 Fuel gauge 80
Fuel lid 182
Fuel quality 184
Fuel recommendation 184
Fuel, tank capacity 230
Fuse 214
G
Garage door opener, refer to Universal Integrated Remote
Control 153
Gasoline 184
Gear change, Steptronic transmission 72
Gear shift indicator 83
General driving notes 168
Glare shield 157
Glove compartment 163
Gross vehicle weight, ap‐ proved 229
H
Handbrake, refer to parking brake 67
Hand-held transmitter, alter‐ nating code 154
Hardtop 46
Hardtop, rollover protection system 99
Hardtop, trunk partition 49
Hazard warning flashers 216
Headlight control, auto‐ matic 92
Headlight courtesy delay fea‐ ture 92
Headlight flasher 69
Headlight glass 208
Headlights 208
Headlights, care 222
Headlight washer system 69
Head restraints 52
Head restraints, front 56
Head-up Display 89
Head-up Display, care 224 Seite 235Everything from A to ZReference235
Online Edition for Part no. 01 40 2 960 547 - II/15

Heating, neck 54
Heavy cargo, stowing 172
Height, vehicle 228
High-beam Assistant 93
High beams 69
High beams/low beams, refer to High-beam Assistant 93
Hills 170
Hill start assistant, refer to Drive-off assistant 123
Hints 6
Holder for beverages 165
Homepage 6
Hood 200
Horn 14
Hot exhaust system 168
HUD Head-up Display 89
Hydroplaning 169
I Ice warning, see External temperature warning 81
Icy roads, see External tem‐ perature warning 81
Identification marks, tires 190
Identification number, see ve‐ hicle identification num‐
ber 9
iDrive 18
Ignition key, refer to Remote control 34
Ignition off 64
Ignition on 64
Indication of a flat tire 101 , 104
Indicator and alarm lamps, see Check Control 77
Indicator lamp, see Check Control 77
Individual air distribu‐ tion 146, 150
Individual settings, refer to Personal Profile 35
Inflation pressure, tires 186 Inflation pressure warning
FTM, tires 104
Info display, refer to On- Board computer 85
Initialize, Tire Pressure Moni‐ tor TPM 101
Initializing, Flat Tire Monitor FTM 104
Instrument cluster 76
Instrument cluster, electronic displays 76
Instrument lighting 94
Integrated key 34
Integrated Owner's Manual in the vehicle 30
Intelligent Emergency Re‐ quest 216
Intelligent Safety 106
Intensity, AUTO pro‐ gram 149
Interior equipment 153
Interior lights 94
Interior lights during unlock‐ ing 37
Interior lights with the vehicle locked 38
Interior motion sensor 44
Interior rearview mirror, auto‐ matic dimming feature 59
Interior rearview mirror, com‐ pass 155
Interior rearview mirror, man‐ ually dimmable 59
Internet page 6
Interval display, service re‐ quirements 82
Interval mode 70
J
Jacking points for the vehicle jack 213
Joystick, Steptronic transmis‐ sion 72
Jump-starting 217 K
Key/remote control 34
Keyless Go, refer to Comfort Access 41
Key Memory, refer to Per‐ sonal Profile 35
Kickdown, Steptronic trans‐ mission 72
Knee airbag 96
L
Lamp replacement 207
Lamp replacement, front 208
Lamp replacement, rear 210
Lane departure warning 114
Lane margin, warning 114
Language on Control Dis‐ play 88
Lashing eyes, securing cargo 172
LATCH child restraint sys‐ tem 63
Launch Control 74
Leather, care 222
LED light, bulb replace‐ ment 209
LEDs, light-emitting di‐ odes 208
Length, vehicle 228
Letters and numbers, enter‐ ing 25
Light alloy wheels, care 223
Light control 92
Light-emitting diodes, LEDs 208
Lighter 157
Lighting 91
Lights 91
Lights and bulbs 207
Light switch 91
Load 172
Loading 171
Loading aid 159 Seite 236ReferenceEverything from A to Z236
Online Edition for Part no. 01 40 2 960 547 - II/15