engine BMW 750LI 2014 Repair Manual

Engine compartmentVehicle equipmentAll standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
Important features in the engine compartment
1Vehicle identification number2Jump-starting, negative terminal3Washer fluid reservoir4Jump-starting, positive terminal5Oil filler neck. 760i/Li: filler neck is located
under a flap.6Coolant reservoir, except 750i/Li and
760i/Li.Hood
Opening the hood 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 this work is not carried out properly, there is
the danger of subsequent damage and related
safety hazards.◀Seite 210MobilityEngine compartment210
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Never reach into the engine compart‐
ment
Never reach into the intermediate spaces or
gaps in the engine compartment. Otherwise,
there is risk of injury, e.g., from rotating or hot
parts.◀1.Pull the lever.2.Press the release handle and open the
hood.3.Be careful of protruding parts on the hood.
Danger of injury when the hood is open
There is a danger of injury from protrud‐
ing parts when the hood is open.◀
Closing the hood
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.
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 pinching
Make sure that the closing path of the
hood is clear; otherwise, injuries may result.◀
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Engine oilVehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐
ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
General information The engine oil consumption is dependent on
the driving style and driving conditions. When
a sporty driving style is used, the engine oil
consumption, for example, is clearly higher.
Therefore, regularly check the engine oil level
after refueling.
Checking the oil level
electronically
Status display
The concept The oil level is monitored electronically during
driving and shown on the Control Display.
If the oil level reaches the minimum level, a
check control message is displayed.
Requirements Depending on the previous displays, the status
display is displayed when the engine is running
or after the vehicle has been driven for at least
30 minutes.
Displaying the oil level1."Vehicle Info"2."Vehicle status"3. "Engine oil level"
Oil level display messages
Different messages appear on the display de‐
pending on the oil level. Pay attention to these
messages.
If oil level is too low, immediately add 1 US
quart/liter of oil.
Take care not to add too much engine oil.
Too much engine oil
Have the vehicle checked immediately;
otherwise, surplus oil can lead to engine dam‐
age.◀
Detailed measurement
The concept
In the detailed measurement the oil level is
checked and displayed via a scale.
During the measurement, the idle speed is in‐
creased somewhat.
General information
A detailed measurement is only possible with
certain engines.
Requirements
▷Automatic transmission: selector lever in
transmission position N or P and accelera‐
tor not depressed.▷Vehicle is on a level road and the engine is
running at operating temperature.
Performing a detailed measurement
In order to perform a detailed measurement of
the engine oil level:
1."Vehicle Info"2."Vehicle status"Seite 212MobilityEngine oil212
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3. "Measure engine oil level"4."Start measurement"
The oil level is checked and displayed via a
scale.
Duration: approx. 1 minute.
Adding engine oil 760i/Li: open/close flap
When the flap is closed, it must latch
Filler neck
When the indicator lights up in the instrument
cluster, add 1 US quart/liter of engine oil within
the next 125 miles/200 km.
Protect children
Keep oil, grease, etc., out of reach of chil‐
dren and heed the warnings on the containers
to prevent health risks.◀
Oil types for refilling
Hints No oil additives
Oil additives may lead to engine dam‐
age.◀
Viscosity grades for engine oils
When selecting an engine oil, ensure that
the engine oil belongs to one of the viscosity
grades SAE 0W-40, SAE 0W-30, SAE 5W-40,
and SAE 5W-30 or malfunctions or engine
damage may occur.◀
The engine oil quality is critical for the life of
the engine.
Some types of oils in some cases are not avail‐
able in all countries.
Approved oil typesGasoline engineBMW High Performance SAE 5W-30.BMW Longlife-01.BMW Longlife-01 FE.
Additional information about the approved
types of oils can be requested from the service
center.
Alternative oil types If the approved engine oils are not available, up
to 1 US quart/liter of an oil with the following
specification can be added:
Gasoline engineAPI SM or superior grade specification.
Oil change
An oil change should be carried out by your
service center only.
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CoolantVehicle equipmentAll standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐
ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
General information Danger of burns from hot engine
Do not open the cooling system while
the engine is hot; otherwise, escaping 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 your vehicle. Ask your service cen‐
ter for suitable additives.
Coolant level
If there is no Min. and Max. mark in the filler
neck of the coolant reservoir, have the coolant
level checked if necessary by your service cen‐
ter and add coolant as needed.
Note Depending on the engine installation, the cool‐
ant reservoir may be located on the opposite side of the engine compartment.Checking1.Let the engine cool.2.Turn the cap of the coolant reservoir
slightly counterclockwise to allow any ex‐
cess pressure to dissipate, and then open
it.3.The coolant level is correct if it lies be‐
tween the minimum and maximum marks
in the filler neck.4.If the coolant is low, slowly add coolant up
to the specified level; do not overfill.5.Turn the cap until there is an audible click.
The arrows on the coolant reservoir and
the cap must point towards one another.6.Have the cause of the coolant loss elimi‐
nated as soon as possible.Seite 215CoolantMobility215
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MaintenanceVehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equip‐
ment is also described that is not available in a
vehicle, e. g., because of the selected optional
equipment or country variant. This also applies
for safety-related functions and systems.
BMW Maintenance System The maintenance system directs you to re‐
quired maintenance measures and thereby
supports you in maintaining road safety and
the operational reliability of the vehicle.
Condition Based Service
CBS
Sensors and special algorithms take into ac‐
count the driving conditions of your vehicle.
Based on this, Condition Based Service deter‐
mines the maintenance requirements.
The system makes it possible to adapt the
amount of maintenance you need to your user
profile.
Details on the service requirements, refer to
page 87, can be displayed on the Control Dis‐
play.
Service data in the remote control
Information on the required maintenance is
continuously stored in the remote control.
Your service center will read out this data and
suggest the right array of service procedures
for your vehicle.
Therefore, hand your service specialist the re‐
mote control with which the vehicle was driven
most recently.Storage periods
Storage periods during which the vehicle bat‐
tery was disconnected are not taken into ac‐
count.
If this occurs, have a service center update the
time-dependent maintenance procedures,
such as checking brake fluid and, if necessary,
changing the engine oil and the microfilter/
activated-charcoal filter.
Service history Perform maintenance work at the service cen‐
ter and have them recorded in the vehicle data.
The entries are like a service booklet of the
documentation of regular maintenance.
Displaying entered maintenance work on the
Control Display, refer to page 88.
Service and Warranty
Information Booklet for US
models and Warranty and
Service Guide Booklet for
Canadian models
Please consult your Service and Warranty In‐
formation Booklet for US models and Warranty
and Service Guide Booklet for Canadian mod‐
els for additional information on service re‐
quirements.
Maintenance and repair should be performed
by your service center. Make sure to have reg‐
ular maintenance procedures recorded in the
vehicle's Service and Warranty Information
Booklet for US models, and in the Warranty
and Service Guide Booklet for Canadian mod‐
els. These entries are proof of regular mainte‐
nance.Seite 216MobilityMaintenance216
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Socket for OBD Onboard
Diagnosis
Position
There is an OBD socket on the driver's side for
checking the primary components in the vehi‐
cle emissions.
Emissions
▷The warning lamp lights up:
Emissions are deteriorating. Have
the vehicle checked as soon as
possible.
Canadian model: warning light indi‐
cates the engine symbol.▷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.
Fuel cap
The indicator lamp lights up.
If the fuel cap is not properly tightened,
the OBD system may conclude that
fuel vapor is escaping. If the cap is then tight‐
ened, the display should go out in a short time.
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If a bulb fails, switch on the front fog lamps and
continue the trip with great care. Comply with
local regulations.
Do not perform work/bulb replacement
on xenon headlamps
Have any work on the xenon lighting system,
including bulb replacement, performed only by
a service center. Due to the high voltage
present in the system, there is the danger of
fatal injuries if work is carried out improperly.◀
For checking and adjusting headlamp aim,
please contact your BMW center.
Light-emitting diodes (LEDs)
Follow the general instructions on Lamps and
bulbs, refer to page 218.
With Xenon-headlamps, the following lamps
are designed with LED technology:▷Parking lamps and roadside parking lamps.▷Turn signals, incl. side indicators▷Daytime running lights
Contact your service center in the event of a
malfunction.
Turning lamp with the Xenon
headlamp
Follow the general instructions on lamps and
bulbs, refer to page 218.
The illustration shows the left side of the en‐ gine compartment.
55-watt bulb, H7.1.Open the folding cover in the engine com‐
partment.2.Turn the cap and remove it.3.Pull the connector off the bulb.4.Squeeze the wire bracket together and de‐
tach.5.Remove the bulb and replace it.6.Insert the new bulb and attach the cover in
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▷Lug bolt, arrow 1.▷Adapter, arrow 2.
Removing
1.Attach the adapter to the wheel lug.2.Unscrew the lug bolt.
Remove the adapter after screwing the lug bolt
back on.
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 cen‐
ter to ensure that all comfort functions are fully
available and that any Check Control mes‐
sages of these comfort functions are no longer
displayed.
Charging the battery
Note Do not plug chargers into the socketDo not connect battery chargers to the
factory-installed sockets in the vehicle as this
may damage the battery.◀
General information Make sure that the battery is always suffi‐
ciently charged to guarantee that the battery
remains usable for its full service life.
The battery may need to be charged in the fol‐
lowing cases:▷When making frequent short-distance
drives.▷If the vehicle is not used for prolonged pe‐
riods, longer than a month.
Starting aid terminals
In the vehicle, only charge the battery via the
starting aid terminals, refer to page 227, 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, mirror, and steering wheel memory:
store the positions again.▷Time: update.▷Date: update.▷Radio station: saving new, see user's
manual for Navigation, Entertainment and
Communication.▷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.
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