engine BMW M4 2016 Workshop Manual

Saving fuelVehicle equipmentThis chapter describes all standard, national
and special equipment provided in the model
series. Equipment not available in the vehicle is
therefore also described, for example the se‐
lected special equipment or national version.
This also applies to safety-relevant functions
and systems. Comply with the relevant na‐
tional regulations when using the correspond‐
ing functions and systems.
General
Your vehicle contains wide-ranging technolo‐
gies for reducing consumption and emission
levels.
Fuel consumption depends on various factors.
A number of measures, such as a moderate
driving style and regular maintenance, can in‐
fluence fuel consumption and reduce burden
on environment.
Removing transported load that is not required
Extra weight increases fuel consumption.
Removing add-on parts after use
Remove auxiliary mirrors, roof racks and rear-
mounted racks after use.
Add-on parts on the vehicle interfere with its
aerodynamic performance and inflate fuel con‐
sumption.Closing windows and the
glass roof
An opened glass roof or opened window in‐
creases the drag coefficient and thus reduces
the range.
Tyres General Tyres can have differing effects on fuel con‐
sumption. For example, fuel consumption can
be affected by tyre size.
Checking tyre pressures regularly Check and, if necessary, correct tyre inflation
pressures at least twice a month and before
setting off on a longer journey.
Insufficient tyre inflation pressure enlarges the
rolling resistance and thus increases fuel con‐
sumption and tyre wear.
Setting off immediately Do not warm up the engine with the vehicle at
a standstill; it is preferable to set off straight
away, driving at moderate engine speeds.
This brings the cold engine to operating tem‐
perature as quickly as possible.
Driving with foresight
Avoid accelerating and braking unnecessarily.
Keep an appropriate distance from the preced‐
ing vehicle.
Anticipating the road situation and adopting a
smooth driving style will reduce fuel consump‐
tion.Seite 168Driving hintsSaving fuel168
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Avoid high engine speeds
Basic principle: driving at low engine speeds
reduces fuel consumption and wear.
Use 1st gear to drive off. As from 2nd gear, ac‐
celerate quickly. Avoid high engine speeds and
shift up quickly.
Shift into the highest possible gear when you
have reached the desired speed and drive at a
constant speed with the lowest possible en‐
gine speed.
Pay attention to the shift point indicator in the
vehicle, if fitted, see page 88.
Using overrun mode When approaching a red traffic light, take your
foot off the accelerator and allow the vehicle to
roll.
On downward stretches, take your foot off the
accelerator and allow the vehicle to roll.
The fuel supply is interrupted when coasting.
Switching off engine if
stopping for a relatively long
time
When you stop the vehicle for longer periods,
for example at traffic lights, railway crossings
or in traffic jams, switch off the engine.
Auto Start Stop function
The Auto Start Stop function of your vehicle
shuts off the engine automatically during a
stop.
If the engine is switched off and then started
again, the fuel consumption and emissions are
reduced compared with a permanently running
engine. Savings can be made just by stopping
the engine for a few seconds.
Fuel consumption also depends on other fac‐
tors, such as driving style, road condition,maintenance or environmental factors, for ex‐
ample.
Switching off functions that
are not necessary at the moment
Functions such as seat heating or heated rear
window require a great deal of energy and re‐
duce the range, especially in city traffic and
stop-and-go traffic.
Switch these functions off if they are not re‐
quired.
Having the maintenance
done
Have the vehicle serviced regularly to achieve
optimal economy and lifetime. Have mainte‐
nance carried out by a Service Partner or a
qualified specialist workshop.
Please also see the BMW Maintenance Sys‐
tem, see page 191.Seite 169Saving fuelDriving hints169
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RefuellingVehicle equipmentThis chapter describes all standard, national
and special equipment provided in the model
series. Equipment not available in the vehicle is
therefore also described, for example the se‐
lected special equipment or national version.
This also applies to safety-relevant functions
and systems. Comply with the relevant na‐
tional regulations when using the correspond‐
ing functions and systems.
Notes Before refuelling, observe notes on fuel quality,
see page 174.
ATTENTION
If the range drops below 50 km, approx.
30 miles, the engine could not be supplied
anymore with sufficient fuel. Engine functions
are not ensured anymore. Danger of damage
to property. Refuel in good time.◀
Fuel tank cap Opening1.Briefly press rear edge of fuel filler flap.2.Turn the fuel tank cap anticlockwise.3.Place the fuel tank cap in the holder on the
fuel filler flap.
Closing
1.Fit the tank cap and turn clockwise until it
is clearly heard to click into place.2.Close fuel filler cap.
WARNING
The retaining strap of the fuel tank cap
can be clamped and crushed when screwing
closed. This means the cap cannot be closed
correctly, and fuel vapours or fuel can emerge.
Danger of injury or damage to property. Make
sure that the retaining strap does not get trap‐
ped and crushed when closing the cap.◀
Unlocking fuel filler flap manually
For example, with an electrical fault.
The unlocking mechanism is in the boot.
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FuelVehicle equipmentThis chapter describes all standard, national
and special equipment provided in the model
series. Equipment not available in the vehicle is
therefore also described, for example the se‐
lected special equipment or national version.
This also applies to safety-relevant functions
and systems. Comply with the relevant na‐
tional regulations when using the correspond‐
ing functions and systems.
Fuel quality
General Depending on the region, many filling stations
sell fuel that is adapted to the conditions in
winter or summer. Fuel that is sold in winter fa‐
cilitates cold starting, for example.
Note ATTENTION
Even fuels corresponding to the specifi‐
cations may be of low quality. Engine problems
can arise, for example poor engine starting, im‐
paired driving properties or reduced perform‐
ance. Danger of damage to property. In the
case of engine problems, use a different filling
station or refuel with a higher octane fuel from
a brand maufacturer.◀
Petrol
For optimal fuel consumption, the petrol
should be sulphur-free or as low in sulphur
content as possible.
Fuels labelled on the pump as containing metal
must not be used.ATTENTION
Even small quantities of the wrong fuel or
wrong fuel additives can damage the fuel sys‐
tem and engine. In addition, the catalytic con‐
verter will be permanently damaged. Danger of
damage to property. Do not use the following
fuel or additives with petrol engines:▷Leaded petrol.▷Metallic additives, for example manganese
or iron.
After filling the wrong fuel, do not press the
start/stop button. Contact a Service Partner or
a qualified specialist workshop.◀
You can fill up with fuels with a maximum pro‐
portion of ethanol of 10 %, in other words E10.
ATTENTION
Incorrect fuels can damage the fuel sys‐
tem and engine. Danger of damage to prop‐
erty. Do not fill with any fuels that either have a
higher ethanol content than recommended or
that contain methanol, for example M5 to
M100.◀
The engine has anti-knock control. This means
that different petrol grades can be used.
Petrol grade Super Plus, with RON 98.
Fill up this fuel so that the nominal perform‐
ance data values and consumption is achieved.
Minimum grade Super with RON 95.
ATTENTION
Fuel below the specified minimum qual‐
ity can impact the engine function or lead to
engine damage. Danger of damage to prop‐
erty. Do not refuel petrol below the specified
minimum quality.◀
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4.Insert the upright sealant container into the
compressor housing.5.Screw the filler hose of the sealant con‐
tainer onto the tyre valve of the faulty
wheel.6.Insert the plug into the socket on the inside
of the vehicle while the compressor is
switched off.7.Switch on the compressor with the ignition
switched on or the engine running.
ATTENTION
The compressor can overheat if operated
for too long. Danger of damage to property. Do
not let the compressor run for longer than 10
minutes.◀
Let the compressor run for approximately
three to 8 minutes to fill the sealing compound
and achieve a tyre inflation pressure of approx‐
imately 2.5 bar.
The tyre inflation pressure may rise to approxi‐
mately 5 bar during the filling process of the
sealing compound. Do not switch off the com‐
pressor during this step.
If it does not reach a tyre inflation pressure of
2 bar:
1.Switch off compressor.2.Remove the filler hose from the wheel.3.Drive forwards and backwards by 10 m, ap‐
proximately 400 inches to distribute the
sealant in the tyre.4.Re-inflate the tyre with the compressor.
Contact a Service Partner or a qualified
specialist workshop if the device does not
reach a tyre inflation pressure of 2 bar.
Storing Mobility system
1.Remove the filler hose of the sealant con‐
tainer from the wheel.2.Remove the connecting hose of the com‐
pressor from the sealant container.Seite 180MobilityWheels and tyres180
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3.Take the filler hose of the sealant container
that was previously connected to the tyre
valve and connect it to the free connection
on the sealant container.
This can prevent sealant residues from es‐
caping from the container.4.Pack empty sealant container to avoid soil‐
ing in the boot.5.Store Mobility system in the vehicle again.
Spreading sealant compound
Immediately drive for approximately
10 km/5 mi to evenly distribute the sealing
compound in the tyre.
Do not exceed a speed of 80 km/h/50 mph.
If possible, do not drive slower than
20 km/h/12 mph.
Correcting the tyre inflation pressure
1.Stop in a suitable area.2.Bolt the connecting hose of the compres‐
sor directly onto the tyre valve.3.Insert the plug into the socket on the inside
of the vehicle.4.Correct tyre inflation pressure to 2.5 bar.▷Increase pressure: switch on the com‐
pressor with the engine running or the
ignition switched on.▷Reduce pressure: press the button on
the compressor.
Continuing with journey
Do not exceed maximum permitted speed of
80 km/h, approximately 50 mph.
Reinitialise runflat indicator.
Reinitialise Tyre Pressure Monitor.
Have the punctured tyre and the sealant con‐
tainer of the Mobility system replaced as soon
as possible.
Snow chains
Fine-link snow chains Only certain fine-link snow chains have been
tested, found safe for use in traffic, and cate‐
gorised as suitable by the manufacturer of your
vehicle.
Information regarding suitable snow chains is
available from a Service Partner or a qualified
specialist workshop.
Using Snow chains may only be used in pairs on the
rear wheels with tyres of the following sizes:▷255/40 R 18.▷255/35 R 19.
Observe the snow chain manufacturer's notes.
Ensure that the snow chains are always ade‐
quately taut. Re-tighten them if necessary in
accordance with the chain manufacturer's in‐
structions.
Do not initialise the runflat indicator with snow
chains fitted, as the instrument might other‐
wise issue an incorrect reading.
Do not initialise the Tyre Pressure Monitor with
snow chains fitted, as the instrument might
otherwise issue an incorrect reading.
When driving with snow chains, activate M Dy‐
namic Mode briefly if necessary.
Maximum speed with snow chains
When snow chains are fitted, do not exceed
50 km/h, 30 mph.
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Engine compartmentVehicle equipmentThis chapter describes all standard, national
and special equipment provided in the model
series. Equipment not available in the vehicle is
therefore also described, for example the se‐lected special equipment or national version.
This also applies to safety-relevant functions
and systems. Comply with the relevant na‐
tional regulations when using the correspond‐
ing functions and systems.
Engine compartment quick reference guide
1Starting assistance, negative battery termi‐
nal2Vehicle identification number3Reservoir for washer fluid4Starting assistance, positive battery termi‐
nal5Engine compartment fuse box6Oil filler neck7Coolant tank for charge air cooling8Coolant tank for engine coolingSeite 182MobilityEngine compartment182
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Bonnet
Notes WARNING
Incorrectly performed work in the engine
compartment can damage components and
lead to a safety risk. Danger of accident or damage to property. Have work in the engine
compartment carried out by a Service Partner
or a qualified specialist workshop.◀
WARNING
The engine compartment contains mov‐
ing components. Certain components can also
move in the engine compartment when the ve‐
hicle is switched off, for example the radiator
fan. Danger of injury. Do not reach into the area
of moving parts. Keep articles of clothing and
hair away from moving parts.◀
ATTENTION
When wipers are folded away from the
windscreen, they can be trapped when the
bonnet is opened. Danger of damage to prop‐
erty. Before opening the bonnet, make sure
that the wipers with wiper blades fitted are in
contact with the windscreen.◀
WARNING
The bonnet has projecting parts on the
inside, for example locking hooks. Danger of
injury. When the bonnet is open, watch out for
projecting parts and keep these areas clear.◀
ATTENTION
When closing, the bonnet must audibly
click into place. Additional pushing can dam‐
age the bonnet. Danger of damage to property.
Open and close the bonnet once more. Avoid
additional pushing.◀WARNING
If the bonnet is not correctly locked, it
can come open during the journey and impair
visibility. Danger of accidents. Stop immedi‐
ately and close the bonnet correctly.◀
WARNING
Parts of the body can become trapped
when opening and closing the bonnet. Danger
of injury. When opening and closing, make
sure that the area of movement of the bonnet
is free.◀
Opening bonnet1.Pull lever, arrow 1.
Bonnet is released.2.After releasing the lever, pull lever again,
arrow 2.
Bonnet is opened.
Indicator and warning lamps With the bonnet unlocked, a Check Control
message is shown.
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Closing bonnet
Close bonnet firmly.
The bonnet must audibly engage into place on
both sides.
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Engine oilVehicle equipment
This chapter describes all standard, national
and special equipment provided in the model
series. Equipment not available in the vehicle is
therefore also described, for example the se‐
lected special equipment or national version.
This also applies to safety-relevant functions
and systems. Comply with the relevant na‐
tional regulations when using the correspond‐
ing functions and systems.
General
The engine oil consumption depends on the
driving style and operating conditions.
Engine oil consumption can be increased, for
example, in the following situations:▷Dynamic driving style.▷Running in the engine.▷Engine idling.▷Use of engine oil grades categorised as
unsuitable.
Therefore check the engine oil level regularly
after each time you fill up with fuel.
With dynamic driving, for example, rapid cor‐
nering, the system cannot make any oil meas‐
urement. With this driving mode, the engine oil
is measured using a detailed measurement,
see page 186.
The vehicle has electronic oil measurement.
Electronic oil measurement has two measure‐
ment principles:
▷Status display▷Detailed measurementElectronic oil measurement
Status display
Principle
The engine oil level is electronically monitored
when travelling and shown on the Control Dis‐
play.
If the engine oil level reaches the minimum, a
check control message is shown.
RequirementsA current measurement is available after ap‐
proximately 30 minutes of driving. With a
shorter trip, the status of the last sufficiently
long trip is shown.
When frequently making short trips, regularly
take a detailed measurement.
Displaying engine oil level On the Control Display:1."Vehicle information"2."Vehicle status"3. "Engine oil level"
Messages for the engine oil level
ATTENTION
Too little engine oil causes engine dam‐
age. Danger of damage to property. Immedi‐
ately replenish engine oil.◀
Ensure not to top up with too much engine oil. ATTENTION
Too much engine oil can damage the en‐
gine or the catalytic converter. Danger of dam‐
age to property. Do not top up with too much
engine oil. If you fill too much engine oil, have
the excess extracted by a Service Partner or a
qualified specialist workshop.◀
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