2015 BMW M4 CONVERTIBLE check engine light

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 Properly closing the hood
If the hood has not audibly engaged and
closed, reopen the hood and close it again.
Otherwise, pressing down on it could cause
damage to 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.◀
Energetically close the hood.
The hood must audibly engage on both sides.
Seite 182MobilityEngine compartment182
Online Edition for Part no. 01 40 2 960 812 - II/15

CoolantVehicle features and optionsThis chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
General information The vehicle has two coolant reservoirs that are
located in the engine compartment.
To ensure the operational reliability of the vehi‐
cle, always check the coolant level of both
coolant reservoirs.
Hints Danger of burns from hot engine
Do not open the cooling system while
the engine is hot; otherwise, esliding coolant
may cause burns.◀
Suitable additives
Only use suitable additives; otherwise,
engine damage may occur. The additives are
harmful to your health.◀
Coolant consists of water and additives.
Not all commercially available additives are
suitable for the vehicle. Information about the
suitable additives are available from the service
center.Coolant level
Checking1.Let the engine cool.2.Turn the lid of the coolant reservoir slightly
counterclockwise to allow any excess
pressure to dissipate, then open it.3.Open the coolant reservoir lid.4.The coolant level is correct if it lies be‐
tween the minimum and maximum marks
in the filler neck.Seite 186MobilityCoolant186
Online Edition for Part no. 01 40 2 960 812 - II/15

Socket for OBD Onboard
Diagnosis
Note Socket for Onboard Diagnosis
The socket for onboard diagnostics may
only be used by the service center or a work‐
shop that operates in accordance with the
specifications of the vehicle manufacturer with
correspondingly trained personnel and other
authorized persons. Otherwise, use may result
in operating problems for the vehicle.◀
Position
There is an OBD socket on the driver's side for
checking the primary components in the vehi‐
cle's emissions.
Emissions
▷The warning lamp lights up:
Emissions are deteriorating. Have
the vehicle checked as soon as
possible.▷The warning lamp flashes under certain
circumstances:
This indicates that there is excessive mis‐
firing in the engine.
Reduce the vehicle speed and have the
system checked immediately; otherwise,
serious engine misfiring within a brief pe‐
riod can seriously damage emission con‐
trol components, in particular the catalytic
converter.Seite 189MaintenanceMobility189
Online Edition for Part no. 01 40 2 960 812 - II/15

Manual transmission:1.Drive into the car wash.2.Shift to neutral.3.Switch the engine off.4.Switch on the ignition.
M double-clutch transmission:
1.Drive into the car wash.2.Engage selector lever position N.3.Switch the engine off.
In this way, the ignition remains switched
on, and a Check-Control message is dis‐
played.
The vehicle cannot be locked from the outside
when in selector lever position N. A signal
sounds when an attempt is made to lock the
vehicle.
To start the engine with manual transmission:
1.Press on the clutch pedal.2.Press the Start/Stop button.
To start the engine with a M double clutch
transmission:
1.Depress the brake pedal.2.Press the Start/Stop button.
Pressing the Start/Stop button without step‐
ping on the brake turns the ignition off.
Transmission position
Transmission position P is engaged automati‐
cally:
▷When the ignition is switched off.▷After approx. 15 minutes.
Headlights
▷Do not rub dry and do not use abrasive or
acidic cleansers.▷Soak areas that have been dirtied e. g.,
from insects, with shampoo and wash off
with water.▷Thaw ice with de-icing spray; do not use an
ice scraper.
Lowerable hardtop
When the wet hardtop is opened, water drop‐
lets can run into the trunk. Remove any objects
in the trunk beforehand to prevent water spot‐
ting or soiling.
After washing the vehicle
After washing the vehicle, apply the brakes
briefly to dry them; otherwise, braking action
can be reduced and corrosion of the brake
discs can occur.
Completely remove all residues on the win‐
dows, to minimize loss of visibility due to
smearing and to reduce wiper noises and
wiper blade wear.
Vehicle care
Car care products BMW recommends using care and cleaning
products from BMW, since these have been
tested and approved.
Car care and cleaning products
Follow the instructions on the container.
When cleaning the interior, open the doors or
windows.
Only use products intended for cleaning vehi‐
cles.
Cleansers can contain substances that are
dangerous and harmful to your health.◀
Vehicle paint
Regular care contributes to driving safety and
value retention. Environmental influences in
areas with elevated air pollution or natural con‐
taminants, such as tree resin or pollen can af‐
fect the vehicle's paintwork. Tailor the fre‐
quency and extent of your car care to these
influences.
Seite 205CareMobility205
Online Edition for Part no. 01 40 2 960 812 - II/15

Bulb replacement 190
Bulb replacement, front 191
Bulb replacement, LED head‐ lights 192
Bulb replacement, rear 193
Bulb replacement, xenon headlights 191
Bulbs and lights 190
Button, Start/Stop 63
Bypassing, refer to Jump- starting 199
C
California Proposition 65 Warning 7
Camera lenses, care 207
Camera, rearview cam‐ era 127
Camera, Side View 129
Camera, Top View 131
Can holder, refer to Cuphold‐ ers 153
Car battery 195
Carbon ceramic brake M 156
Car care products 205
Care, displays 207
Care, vehicle 205
Cargo 162
Cargo area, enlarging 149
Cargo area partition 49
Cargo area, storage compart‐ ments 153
Cargo, securing 163
Cargo straps, securing cargo 163
Car key, refer to Remote con‐ trol 34
Carpet, care 207
Car wash 204
Catalytic converter, refer to Hot exhaust system 159
CBS Condition Based Serv‐ ice 188
CD/Multimedia, see user's manual for Navigation, En‐tertainment and Communi‐
cation
Center armrest 152
Center console 16
Central locking system 40
Central screen, refer to Con‐ trol Display 18
Ceramic brake 156
Changes, technical, refer to Safety 7
Changing parts 190
Changing wheels 195
Changing wheels/tires 176
Chassis, electronic 119
Chassis number, see vehicle identification number 9
Check Control 78
Checking the engine oil level electronically 183
Checking the oil level elec‐ tronically 183
Children, seating position 60
Children, transporting safely 60
Child restraint fixing sys‐ tem 60
Child restraint fixing system LATCH 62
Child restraint fixing systems, mounting 60
Child seat, mounting 60
Child seats 60
Chrome parts, care 206
Cigarette lighter 145
Cleaning displays 207
Climate control 136
Clock 82
Closing/opening via door lock 39
Closing/opening with remote control 37
Cockpit 14
Combination reel, refer to Turn signals 68
Combination switch, refer to Wiper system 68 Comfort Access 41
Compartments in the doors 152
Compass 143
Compound brake 156
Compressor 177
Computer, refer to On-board computer 87
Condensation on win‐ dows 138
Condensation under the vehi‐ cle 160
Condition Based Service CBS 188
Confirmation signal 43
ConnectedDrive, see user's manual for Navigation, En‐
tertainment and Communi‐
cation
ConnectedDrive Services
Connecting electrical devi‐ ces 145
Control Display 18
Control Display, settings 90
Controller 18, 19
Control systems, driving sta‐ bility 116
Convenient closing with the remote control 38
Convenient opening with the remote control 37
Convertible, hardtop 46
Convertible mode, automatic climate control 137
Convertible program, auto‐ matic climate control 137
Coolant 186
Coolant temperature 82
Cooling function 137
Cooling, maximum 137
Cooling system 186
Cornering light 95
Corrosion on brake discs 160
Cosmetic mirror 145
Courtesy lamps during un‐ locking 37 Seite 213Everything from A to ZReference213
Online Edition for Part no. 01 40 2 960 812 - II/15

Courtesy lamps with the vehi‐cle locked 38
Cruise control 122
Cruising range 83
Cupholders 153
Current fuel consumption 83
D
Damage, tires 175
Damping control 119
Data, technical 210
Date 82
Daytime running lights 95
Defrosting, refer to Windows, defrosting 138
Dehumidifying, air 137
Deleting personal data 25
Deletion of personal data 25
Destination distance 88
Differential lock 119
Digital clock 82
Digital compass 143
Digital speed 82
Digital tachometer 82
Dimensions 210
Dimmable exterior mirrors 58
Dimmable interior rearview mirror 58
Direction indicator, refer to Turn signals 68
Display EfficientDynamics 84
Display, electronic, instru‐ ment cluster 77
Display in windshield 91
Display lighting, refer to In‐ strument lighting 97
Displays, cleaning 207
Disposal, coolant 187
Disposal, vehicle battery 196
Distance control, refer to PDC 124
Distance to destination 88
Divided screen view, split screen 23
Door lock 39 Door lock, refer to Remote
control 34
Double-clutch transmis‐ sion 71
Drivelogic 73
Drive mode 72
Drive-off assistant 120
Drive-off assistant, refer to DSC 117
Driver assistance, refer to In‐ telligent Safety 106
Driving Assistant, refer to In‐ telligent Safety 106
Driving Dynamics Control 75
Driving instructions, break- in 158
Driving notes, general 159
Driving on racetracks 157
Driving program, refer to Drivelogic 73
Driving stability control sys‐ tems 116
Driving tips 159
DSC Dynamic Stability Con‐ trol 117
Dynamic driving systems 84
Dynamic driving, system states 84
Dynamic Stability Control DSC 117
E EfficientDynamics 84
Electronic displays, instru‐ ment cluster 77
Electronic oil measure‐ ment 183
Electronic Stability Program ESP, refer to DSC 117
Emergency detection, remote control 35
Emergency release, fuel filler flap 168
Emergency Request 198 Emergency start function, en‐
gine start 35
Emergency unlocking, trunk lid 41
Energy Control 83
Energy recovery 83
Engine, automatic Start/Stop function 65
Engine, automatic switch- off 65
Engine compartment 181
Engine compartment, work‐ ing in 181
Engine coolant 186
Engine oil 183
Engine oil, adding 184
Engine oil additives 185
Engine oil change 185
Engine oil filler neck 184
Engine oil temperature 81
Engine oil types, alterna‐ tive 185
Engine oil types, ap‐ proved 185
Engine start during malfunc‐ tion 35
Engine start, jump-start‐ ing 199
Engine start, refer to Starting the engine 64
Engine stop 64
Engine temperature 81
Entering a car wash 204
Equipment, interior 141
Error displays, see Check Control 78
ESP Electronic Stability Pro‐ gram, refer to DSC 117
Exchanging wheels/tires 176
Exhaust system 159
Exterior mirror, automatic dimming feature 58
Exterior mirrors 57
External start 199
External temperature dis‐ play 82 Seite 214ReferenceEverything from A to Z214
Online Edition for Part no. 01 40 2 960 812 - II/15

External temperature warn‐ing 82
Eyes for securing cargo 163
F
Failure message, see Check Control 78
False alarm, refer to Uninten‐ tional alarm 45
Fan, refer to Air flow 138
Filler neck for engine oil 184
Fine wood, care 206
First aid kit 199
Fitting for towing, see Tow fit‐ ting 202
Flat tire, changing wheels 195
Flat tire, Tire Pressure Moni‐ tor TPM 103
Flat tire, warning lamp 104
Flooding 159
Floor carpet, care 207
Floor mats, care 207
Fold down the rear seat back‐ rest, see Though-loading
system 149
Fold-out position, wiper 70
Foot brake 159
Front airbags 99
Front-end collision warning with City Braking func‐
tion 107
Front lights 191
front-seat passenger airbags, automatic deactivation 101
Front-seat passenger airbags, indicator lamp 101
Fuel 170
Fuel consumption, current 83
Fuel consumption, refer to Average fuel consump‐
tion 88
Fuel filler flap 168
Fuel gauge 81
Fuel lid 168 Fuel quality 170
Fuel recommendation 170
Fuel, tank capacity 211
Fuse 196
G
Garage door opener, refer to Universal Integrated Remote
Control 141
Gasoline 170
Gear change 73
Gear shift indicator 85
General driving notes 159
Glare shield 145
Glove compartment 151
Gross vehicle weight, ap‐ proved 210
Ground clearance 160
H
Handbrake, refer to parking brake 67
Hand-held transmitter, alter‐ nating code 142
Hardtop 46
Hardtop, rollover protection system 102
Hardtop, trunk partition 49
Hazard warning flashers 198
Headlight control, auto‐ matic 95
Headlight courtesy delay fea‐ ture 94
Headlight flasher 68
Headlight glass 191
Headlights 191
Headlights, care 205
Headlight washer system 68
Head restraints 52
Head restraints, front 56
Head-up Display 91
Head-up Display, care 207
Head-up display, M view 92 Head-up display, standard
view 91
Heating, neck 54
Heavy cargo, stowing 163
Height, vehicle 210
High-beam Assistant 96
High beams 68
High beams/low beams, refer to High-beam Assistant 96
High-performance en‐ gine 156
Hills 160
Hill start assistant, refer to Drive-off assistant 120
Hints 6
Holder for beverages 153
Homepage 6
Hood 181
Horn 14
Hot exhaust system 159
HUD Head-up Display 91
Hydroplaning 159
I
Ice warning, see External temperature warning 82
Icy roads, see External tem‐ perature warning 82
Identification marks, tires 173
Identification number, see ve‐ hicle identification num‐
ber 9
iDrive 18
Ignition key, refer to Remote control 34
Ignition off 63
Ignition on 63
Indication of a flat tire 104
Indicator and alarm lamps, see Check Control 78
Indicator lamp, see Check Control 78
Individual air distribution 138
Individual settings, refer to M Drive 116 Seite 215Everything from A to ZReference215
Online Edition for Part no. 01 40 2 960 812 - II/15

M carbon ceramic brake 156
M Compound brake 156
M differential, active 119
MDM, M Dynamic Mode 118
M double-clutch transmis‐ sion 71
M Drive 116
M Driving Dynamics Con‐ trol 75
M Dynamic Mode MDM 118
Measure, units of 91
Medical kit 199
Memory, seat, mirror 56
Menu EfficientDynamics 84
Menu in instrument clus‐ ter 87
Menus, operating, iDrive 18
Menus, refer to iDrive operat‐ ing concept 20
Messages, see Check Con‐ trol 78
Microfilter 139
Minimum tread, tires 175
Mirror 57
Mirror memory 56
Mobile communication devi‐ ces in the vehicle 159
Mobility System 177
Modifications, technical, refer to Safety 7
Moisture in headlight 191
Monitor, refer to Control Dis‐ play 18
Mounting of child restraint systems 60
M technology 156
Multifunction steering wheel, buttons 14
M view, Head-up display 92
N
Navigation, see user's manual for Navigation, Entertain‐
ment and Communication Neck restraints, front, refer to Head restraints 56
Neck warmer 54
Neutral cleaner, see wheel cleaner 206
New wheels and tires 176
Nylon rope for tow-starting/ towing 202
O OBD Onboard Diagnosis 189
OBD, see OBD Onboard Di‐ agnosis 189
Obstacle marking, rearview camera 128
Octane rating, refer to Rec‐ ommended fuel grade 170
Odometer 82
Office, see user's manual for Navigation, Entertainment
and Communication
Oil 183
Oil, adding 184
Oil additives 185
Oil change 185
Oil change interval, service requirements 84
Oil filler neck 184
Oil types, alternative 185
Oil types, approved 185
Old batteries, disposal 196
On-board computer 87
Onboard monitor, refer to Control Display 18
Onboard vehicle tool kit 190
Opening/closing via door lock 39
Opening and closing 34
Opening and closing, without remote control 39
Opening and closing, with re‐ mote control 37
Operating concept, iDrive 18
Optional equipment, standard equipment 6 Outside air, refer to Auto‐
matic recirculated-air con‐
trol 138
Overheating of engine, refer to Coolant temperature 82
P Paint, vehicle 205
Parallel parking assistant 132
Park Distance Control PDC 124
Parked-car ventilation 139
Parked vehicle, condensa‐ tion 160
Parking aid, refer to PDC 124
Parking assistant 132
Parking brake 67
Parking lights 94
Parts and accessories 7
Passenger side mirror, tilting downward 58
Pathway lines, rearview cam‐ era 128
PDC Park Distance Con‐ trol 124
Pedestrian warning with city braking function 109
Personal Profile 35
Personal Profile, exporting profiles 36
Personal Profile, importing profiles 37
Pinch protection system, win‐ dows 46
Plastic, care 206
Power failure 196
Power windows 45
Pressure, tire air pres‐ sure 172
Preventing Auto Start Stop 66
Profile, refer to Personal Pro‐ file 35
Programmable memory but‐ tons, iDrive 24 Seite 217Everything from A to ZReference217
Online Edition for Part no. 01 40 2 960 812 - II/15