2014 BMW 640I CONVERTIBLE tires

exhaust system during driving, while in idle po‐
sition mode, or when parked. Such contact
could lead to a fire, and with it the risk of seri‐
ous personal injury as well as property dam‐
age.
Do not touch hot exhaust pipes; otherwise,
there is the danger of getting burned.◀
Climate control windshield
The marked area is not covered with heat re‐
flective coating.
Use this area for garage door openers, devices
for electronic toll collection, etc.
Mobile communication devices in the vehicle
Mobile communication devices in the ve‐
hicle
It is advised that you do not use mobile com‐
munication devices, e.g., mobile phones, in‐
side the vehicle without connecting them di‐
rectly to the external antenna. Otherwise, the
vehicle electronics and mobile communication
devices can interfere with each other. In addi‐
tion, there is no assurance that the radiation
generated during transmission will be dis‐
charged from the vehicle interior.◀
Hydroplaning On wet or slushy roads, a wedge of water can
form between the tires and road surface.
This phenomenon is referred to as hydroplan‐
ing. It is characterized by a partial or complete
loss of contact between the tires and the road
surface, ultimately undermining your ability to
steer and brake the vehicle.
Hydroplaning
When driving on wet or slushy roads, re‐
duce your speed to prevent hydroplaning.◀
Driving through water Drive though calm water only and only if it is
not deeper than. 9.8 inches/25 cm and at this
height, no faster than walking speed, up to
6 mph/10 km/h.
Adhere to water depth and speed limita‐
tions
Do not exceed this water depth and walking
speed; otherwise, the vehicle's engine, the
electrical systems and the transmission may
be damaged.◀
Braking safely
Your vehicle is equipped with ABS as a stand‐
ard feature.
Applying the brakes fully is the most effective
way of braking in situations when this is neces‐
sary.
The vehicle maintains steering responsive‐
ness. You can still avoid any obstacles with a
minimum of steering effort.
Pulsation of the brake pedal and sounds from
the hydraulic circuits indicate that ABS is in its
active mode.
Objects in the area around the pedals 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.Seite 175Things to remember when drivingDriving tips175
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LoadingVehicle 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.
Hints Overloading the vehicle
To avoid exceeding the approved carry‐
ing capacity of the tires, never overload the ve‐
hicle. Overloading can lead to overheating and
increases the rate at which damage develops
inside the tires. This could result in a sudden
loss of tire inflation pressure.◀
No fluids in the trunk
Make sure that fluids do not leak into the
trunk; otherwise, the vehicle may be dam‐
aged.◀
Determining the load limit1.Locate the following statement on your ve‐
hicle’s placard:▷The combined weight of occupants
and cargo should never exceed XXX kg
or YYY lbs. Otherwise, damage to thevehicle and unstable driving situations
may result.2.Determine the combined weight of the
driver and passengers that will be riding in
your vehicle.3.Subtract the combined weight of the driver
and passengers from XXX kilograms or
YYY pounds.4.The resulting figure equals the available
amount of cargo and luggage load ca‐
pacity.
For example, if the YYY amount equals
1,000 lbs and there will be four 150 lbs
passengers in your vehicle, the amount of
available cargo and luggage load capacity
is 400 lbs: 1,000 lbs minus 600 lbs =
400 lbs.5.Determine the combined weight of lug‐
gage and cargo being loaded on the vehi‐
cle. That weight may not safely exceed the
available cargo and luggage load capacity
calculated in Step 4.
Load
The maximum load is the sum of the weight of
the occupants and the cargo.
The greater the weight of the occupants, the
less cargo that can be transported.
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Saving fuelVehicle 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 Your vehicle contains advanced technology for
the reduction of fuel consumption and emis‐
sions.
Fuel consumption depends on a number of dif‐
ferent factors.
The implementation of certain measures, driv‐
ing style and regular maintenance can have an
influence on fuel consumption and on the envi‐
ronmental impact.
Remove unnecessary cargoAdditional weight increases fuel consumption.
Remove attached parts
following use
Attached parts on the vehicle impair the aero‐
dynamics and increase the fuel consumption.
Closing the windows
Open windows increase air resistance and
therefore lead to greater fuel consumption.Tires
General information
Tires can affect fuel consumption values in
various ways, for instance fuel consumption
can be influenced by the size of the tires.
Check the tire inflation pressure
regularly
Check and, if necessary, correct the tire infla‐
tion pressure at least twice a month and before
starting on a long trip.
Low tire inflation pressure increases rolling re‐
sistance and thus raises fuel consumption and
tire wear.
Drive away without delay
Do not wait for the engine to warm-up while
the vehicle remains stationary. Start driving
right away, but at moderate engine speeds.
This is the fastest way for the cold engine to
reach its operating temperature.
Look well ahead when
driving
Avoid unnecessary acceleration and braking.
By maintaining a suitable distance to the vehi‐
cle driving ahead of you.
Driving smoothly and looking ahead reduces
fuel consumption.
Use coasting conditions When approaching a red light, take your foot
off the accelerator and let the vehicle coast to
a halt.Seite 179Saving fuelDriving tips179
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Mobility
In order to always ensure your mobility, you will find important information on operating fluids,wheels and tires, maintenance and Roadside Assistance in the following.Online Edition for Part no. 01 40 2 910 721 - VI/13

Wheels and tiresVehicle 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.
Tire inflation pressure Safety information
The tire characteristics and tire inflation pres‐
sure influence the following:▷The service life of the tires.▷Road safety.▷Driving comfort.
Checking the pressure
Only check the tire inflation pressure when the
tires are cold. This means after driving no more
than 1.25 miles/2 km or when the vehicle has
been parked for at least 2 hours. When the
tires are warm, the tire inflation pressure is
higher.
Check the tire inflation pressure regularly
Regularly check the tire inflation pres‐
sure, and correct it as needed: at least twice a
month and before a long trip. If you fail to ob‐
serve this precaution, you may be driving on
tires with incorrect tire pressures, a condition
that may not only compromise your vehicle's
driving stability, but also lead to tire damage
and the risk of an accident.◀
After correcting the tire inflation pressure:
▷Reinitialize the Flat Tire Monitor.▷Reinitialize the Tire Pressure Monitor.Pressure specifications The tire inflation pressure table, refer to
page 192, contains all pressure specifications
for the specified tire sizes at the ambient tem‐
perature. Pressure specifications apply to ap‐
proved tire sizes and recommended tire
brands. This information can be obtained from
your service center.
To identify the correct tire inflation pressure,
please note the following:▷Tire sizes of your vehicle.▷Maximum permitted driving speed.
Tire inflation pressures up to
100 mph/160 km/h
For speeds of up to 100 mph/160 km/h and for
optimum driving comfort, note the pressure
values in the tire inflation pressure table, refer
to page 192, and adjust as necessary.
These pressure values can also be found on
the tire inflation pressure label on the driver's
door pillar.
Maximum permissible speed
Do not exceed 100 mph/160 km/h; other‐
wise, tire damage and accidents may result.◀
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Tire inflation pressure values up to
100 mph/160 km/h
640iTire sizePressure specifica‐
tions in bar/PSISpecifications in
bar/PSI with cold
tires245/45 R 18 100 V
M+S XL A/S RSC
245/40 R 19 98 V M
+S XL A/S RSC
245/45 R 18 100 V
M+S XL RSC2.3 / 332.6 / 38Front: 245/45 R 18
96 Y RSC
Rear:
275/40 R 18 99 Y
RSC2.3 / 33
--
2.4 / 35Front: 245/40 R 19
94 Y RSC
Rear:
275/35 R 19 96 Y
RSC2.4 / 35
--
2.6 / 38Front: 245/35 R 20
95 Y XL RSC
Rear:
275/30 R 20 97 Y
XL RSC2.6 / 38
--
2.9 /42Compact wheel:
T 135/90 R 17 104
MSpeed up to a max. of
50 mph / 80 km/h
4.2 / 60640i xDriveTire sizePressure specifica‐
tions in bar/PSISpecifications in
bar/PSI with cold
tires245/45 R 18 100 V
M+S XL A/S RSC
245/40 R 19 98 V M
+S XL A/S RSC
245/45 R 18 100 V
M+S XL RSC2.4 / 352.7 / 39Front: 245/45 R 18
96 Y RSC
Rear:
275/40 R 18 99 Y
RSC2.4 / 35
--
2.4 / 35Front: 245/40 R 19
94 Y RSC
Rear:
275/35 R 19 96 Y
RSC2.4 / 35
--
2.6 / 38Front: 245/35 R 20
95 Y XL RSC
Rear:
275/30 R 20 97 Y XL
RSC2.8 / 41
--
3.0 / 44Compact wheel:
T 135/90 R 17 104
MSpeed up to a max. of
50 mph / 80 km/h
4.2 / 60Seite 192MobilityWheels and tires192
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650iTire sizePressure specifica‐
tions in bar/PSISpecifications in
bar/PSI with cold
tires245/45 R 18 100 V
M+S XL A/S RSC
245/40 R 19 98 V M
+S XL A/S RSC
245/45 R 18 100 V
M+S XL RSC2.3 / 332.6 / 38Front: 245/45 R 18
96 Y RSC
Rear:
275/40 R 18 99 Y
RSC2.3 / 33
--
2.4 / 35Front: 245/40 R 19
94 Y RSC
Rear:
275/35 R 19 96 Y
RSC2.4 / 35
--
2.6 / 38Front: 245/35 R 20
95 Y XL RSC
Rear:
275/30 R 20 97 Y XL
RSC2.6 / 38
--
2.9 /42650i xDriveTire sizePressure specifica‐
tions in bar/PSISpecifications in
bar/PSI with cold
tires245/45 R 18 100 V
M+S XL A/S RSC
245/40 R 19 98 V M
+S XL A/S RSC
245/45 R 18 100 V
M+S XL RSC2.4 / 352.7 / 39Front: 245/45 R 18
96 Y RSC
Rear:
275/40 R 18 99 Y
RSC2.4 / 35
--
2.4 / 35Front: 245/40 R 19
94 Y RSC
Rear:
275/35 R 19 96 Y
RSC2.4 / 35
--
2.6 / 38Front: 245/35 R 20
95 Y XL RSC
Rear:
275/30 R 20 97 Y XL
RSC2.8 / 41
--
3.0 / 44
Tire inflation pressures at max.
speeds above 100 mph/160 km/h
Speeds above 100 mph/160 km/h
In order to drive at maximum speeds in
excess of 100 mph/160 km/h, please observe,
and, if necessary, adjust tire pressures for
speeds exceeding 100 mph/160 km/h from the
relevant table on the following pages. Other‐
wise tire damage and accidents could occur.◀
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Tire inflation pressure values over
100 mph/160 km/h
640i
Without high-speed tuning featureTire sizePressure specifica‐
tions in bar/PSISpecifications in
bar/PSI with cold
tires245/45 R 18 100 V
M+S XL A/S RSC
245/40 R 19 98 V M
+S XL A/S RSC
245/40 R 18 100 V
M+S XL RSC2.3 / 332.8 / 41Front: 245/45 R 18
96 Y RSC
Rear:
275/40 R 18 99 Y
RSC2.3 / 33
--
2.4 / 35Front: 245/40 R 19
94 Y RSC
Rear:
275/35 R 19 96 Y
RSC2.4 / 35
--
2.6 / 38Front: 245/35 R 20
95 Y XL RSC
Rear:
275/30 R 20 97 Y
XL RSC2.6 / 38
--
2.9 /42Compact wheel:
T 135/90 R 17 104
MSpeed up to a max. of
50 mph / 80 km/h
4.2 / 60
With high-speed tuning feature
Tire sizePressure specifications
in bar/PSISpecifications in
bar/PSI with cold
tires245/45 R 18 100 V
M+S XL RSC2.7 / 393.2 / 46Front: 245/45 R 18
96 Y RSC
Rear:
275/40 R 18 99 Y
RSC2.5 / 36
--
2.7 / 39Front: 245/40 R 19
94 Y RSC
Rear:
275/35 R 19 96 Y
RSC2.6 / 38
--
3.0 / 44Front: 245/35 R 20
95 Y XL RSC
Rear:
275/30 R 20 97 Y
XL RSC2.8 / 41
--
3.3 / 48Compact wheel:
T 135/90 R 17 104
MSpeed up to a max. of
50 mph / 80 km/h
4.2 / 60
640i xDrive Without high-speed tuning feature
Seite 194MobilityWheels and tires194
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