tire pressure BMW Z4 SDRIVE28I 2013 User Guide

Wheels and tiresVehicle equipment
This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it also
describes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
Tire inflation pressure
Information for your safety
It is not merely the tires' service life, but also
driving comfort and, to a great extent, driving
safety that depend on the condition of the tires
and the maintenance of the specified tire pres‐
sure.
Check the tire inflation pressure regularly
Regularly check the tire inflation pressure
and correct it as needed: at least twice a month
and before a long trip. If you fail to observe this
precaution, you may be driving on tires with in‐
correct 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.◀
Checking the pressure
Only check the tire inflation pressure when the
tires are cold. This means after a maximum of
1.25 miles/2 km driving or when the vehicle has
been parked for at least 2 hours. When the tires
are warm, the tire inflation pressure is higher.
After correcting the tire inflation pressure, rein‐
itialize the Flat Tire Monitor, refer to page 75.
After correcting the tire inflation pressure, reset
the Tire Pressure Monitor, refer to page 78.Pressure specifications
The tables below provide all the correct inflation
pressures for the specified tire sizes at ambient
temperature.
The inflation pressures apply to the tire sizes
approved and tire brands recommended by
BMW; a list of these is available from your serv‐
ice center.
For correct identification of the right tire inflation
pressures, observe the following:▷Tire sizes of your vehicle.▷Maximum allowable driving speed.
Tire inflation pressures for driving up to
100 mph or 160 km/h
For normal driving up to 100 mph/160 km/h, ad‐
just pressures to the respective tire inflation
pressures listed on the following pages in the
column for traveling speeds up to 100 mph/
160 km/h to achieve optimum driving comfort.
These tire inflation pressures can also be found
on the driver's side door pillar when the driver's
door is open.
Do not exceed the maximum permissible
speed
The maximum permissible speed for these tire
pressures is 100 mph/160 km/h Do not exceed
this speed; otherwise, tire damage and acci‐
dents could occur.◀
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Tire inflation pressures for driving
above 100 mph or 160 km/h
Adjust the tire inflation pressures
To drive at maximum speeds in excess of
100 mph/160 km/h, adjust pressures to the re‐
spective tire inflation pressures listed on the fol‐
lowing pages in the column for traveling speedsincluding those exceeding 100 mph or 160 km/
h. Otherwise, tire damage and accidents could
occur.◀
Observe all national and local maximum speed
limits; otherwise, violations of the laws could oc‐
cur.
Tire inflation pressures Z4 sDrive28i

Tire sizePressure specifications in bar/PSITraveling speeds of up
to 100 mph/160 km/hTraveling speeds in‐
cluding those exceed‐
ing 100 mph/160 km/hAll pressure specifications in the table are in‐
dicated in bar/psi with cold tires.
Cold = ambient temperatureWithout Sport Package:225/45 R 17 91 V RSC
225/45 R 17 91 H M+S RSC
225/45 R 17 94 V M+S XL RSC2.5/363.0/442.5/363.0/44Front: 225/45 R 17 91 V RSC2.5/36-2.5/36-Rear: 255/40 R 17 94 V RSC-2.7/39-2.7/39Front: 225/40 R 18 88 W RSC2.5/36-2.5/36-Rear: 255/35 R 18 90 W RSC-2.9/42-2.9/42Front: 225/35 R 19 88 Y XL RSC2.5/36-2.5/36-Rear: 255/30 R 19 91 Y XL RSC-2.9/42-2.9/42With Sport Package:225/45 R 17 91 W RSC
225/45 R 17 91 H M+S RSC
225/45 R 17 94 V M+S XL RSC2.5/363.0/442.5/363.0/44Front: 225/45 R 17 91 W RSC2.5/36-2.5/36-Rear: 255/40 R 17 94 W RSC-2.7/39-2.7/39Seite 156MobilityWheels and tires156
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Tire sizePressure specifications in bar/PSIFront: 225/40 R 18 88 W RSC2.5/36-2.6/38-Rear: 255/35 R 18 90 W RSC-2.9/42-3.1/45Front: 225/35 R 19 88 Y XL RSC2.5/36-2.5/36-Rear: 255/30 R 19 91 Y XL RSC-2.9/42-3.0/44More details on the permissible load and weights, refer to page 204.
Tire inflation pressures Z4 sDrive35i

Tire sizePressure specifications in bar/PSITraveling speeds of up
to 100 mph/160 km/hTraveling speeds in‐
cluding those exceed‐
ing 100 mph/160 km/hAll pressure specifications in the table are in‐
dicated in bar/psi with cold tires.
Cold = ambient temperatureWithout Sport Package:225/45 R 17 91 H M+S RSC
225/45 R 17 94 V M+S XL RSC2.5/363.0/442.5/363.0/44Front: 225/45 R 17 91 V RSC2.5/36-2.5/36-Rear: 255/40 R 17 94 V RSC-2.7/39-2.7/39Front: 225/40 R 18 88 W RSC2.5/36-2.5/36-Rear: 255/35 R 18 90 W RSC-2.9/42-2.9/42Front: 225/35 R 19 88 Y XL RSC2.5/36-2.5/36-Rear: 255/30 R 19 91 Y XL RSC-2.9/42-2.9/42With Sport Package:225/45 R 17 91 H M+S RSC
225/45 R 17 94 V M+S XL RSC2.5/363.0/442.5/363.0/44Front: 225/45 R 17 91 W RSC2.5/36-2.5/36-Rear: 255/40 R 17 94 W RSC-2.7/39-2.8/41Front: 225/40 R 18 88 W RSC2.5/36-2.7/39-Seite 157Wheels and tiresMobility157
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Tire sizePressure specifications in bar/PSIRear: 255/35 R 18 90 W RSC-2.9/42-3.2/46Front: 225/35 R 19 88 Y XL RSC2.5/36-2.5/36-Rear: 255/30 R 19 91 Y XL RSC-2.9/42-3.0/44More details on the permissible load and weights, refer to page 204.
Tire inflation pressures Z4 sDrive35is

Tire sizePressure specifications in bar/PSITraveling speeds of up
to 100 mph/160 km/hTraveling speeds in‐
cluding those exceed‐
ing 100 mph/160 km/hAll pressure specifications in the table are in‐
dicated in bar/psi with cold tires.
Cold = ambient temperature225/45 R 17 91 H M+S RSC
225/45 R 17 94 V M+S XL RSC2.5/363.0/442.5/363.0/44Front: 225/40 R 18 88 W RSC2.7/39-2.7/39-Rear: 255/35 R 18 90 W RSC-3.2/46-3.2/46Front: 225/35 R 19 88 Y XL RSC2.5/36-2.5/36-Rear: 255/30 R 19 91 Y XL RSC-3.0/44-3.0/44More details on the permissible load and weights, refer to page 204.Tire identification marks
Knowledge of the labeling on the side of the tire
makes it easier to identify and choose the right
tires.
Tire size
Example: 225/45 R 17 91 V
225: nominal width in mm
45: aspect ratio in %
R: radial tire code
17: rim diameter in inches91: load rating, not for ZR tires
V: speed rating, before the R on ZR tires
Speed letter
Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
H = up to 131 mph/210 km/h
V = up to 150 mph/240 km/h
W = up to 167 mph/270 km/h
Y = up to 186 mph/300 km/hSeite 158MobilityWheels and tires158
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Run-flat tires
Label
RSC label on the tire sidewall.
The wheels are composed of special rims and
tires that are self-supporting, to a limited de‐
gree.
The support of the sidewall allows the tire to re‐
main drivable to a restricted degree in the event
of a pressure loss.
Driving can continue with a damaged tire, refer
to page 77.
Changing run-flat tires
For your own safety, only use run-flat tires. No
spare tire is available in the case of a flat tire. Your
service center will be glad to advise you.
Changing wheels and tires
Mounting Information on mounting tires
Have mounting and balancing performed
only by a service center or tire specialist.
If this work is not carried out properly, there is
the danger of subsequent damage and related
safety hazards.◀
Wheel and tire combination
Information on the correct wheel-tire combina‐
tion and rim versions for your vehicle can be ob‐
tained from your service center.
Incorrect wheel and tire combinations impair the
function of a variety of systems such as ABS or
DSC.
To maintain good handling and vehicle re‐
sponse, use only tires with a single tread con‐
figuration from a single manufacturer.
Following tire damage, have the original wheel
and tire combination remounted on the vehicle
as soon as possible.
Approved wheels and tires
The manufacturer of your vehicle recom‐
mends that you use only wheels and tires that
have been approved for your particular vehicle
model.
For example, despite having the same official
size ratings, variations can lead to body contact
and with it, the risk of severe accidents.
The manufacturer of your vehicle cannot evalu‐
ate non-approved wheels and tires to determine
if they are suited for use, and therefore cannot
ensure the operating safety of the vehicle if they
are mounted.◀
Recommended tire brands
For each tire size, the manufacturer of your ve‐
hicle recommends certain tire brands. These
can be identified by a star on the tire sidewall.
With proper use, these tires meet the highest
standards for safety and handling.
Retreaded tires
The manufacturer of your vehicle does not rec‐
ommend the use of retreaded tires.
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CareVehicle equipment
This chapter describes all series equipment as
well as country-specific and special equipment
offered for this model series.Therefore, it also
describes equipment that may not be found in
your vehicle, for instance due to the selected
special equipment or the country version. This
also applies to safety-related functions and sys‐
tems.
Car washes
Notes Steam jets or high-pressure washers
When using steam jets or high-pressure
washers, hold them a sufficient distance away
and use a maximum temperature of 140 ℉/
60 ℃.
Holding them too close or using excessively
high pressures or temperatures can cause dam‐
age or preliminary damage that may then lead to
long-term damage.
Follow the operating instructions for the high-
pressure washer.◀
Cleaning sensors/cameras with high-
pressure washers
When using high-pressure washers, do not
spray the seals of the retractable hardtop and
the exterior sensors and cameras, for Park Dis‐
tance Control, for instance, for extended periods
of time and only from a distance of at least 12 in/
30 cm.◀
Wash your vehicle frequently, particularly in win‐
ter.
Intense soiling and road salt can damage the ve‐
hicle.Washing in automatic car washes
Give preference to cloth car washes or those
that use soft brushes in order to avoid paint
damage.
Notes
Note the following:▷Make sure that the wheels and tires are not
damaged by the transport mechanisms.▷Fold in the exterior mirrors; otherwise, they
may be damaged, depending on the width of
the vehicle.▷Deactivate the rain sensor, refer to page 51,
to avoid unintentional wiper activation.▷Unscrew the road antenna.
Guide rails in car washes
Avoid car washes with guide rails higher
than 4 in/10 cm; otherwise, the vehicle body
could be damaged.◀
Before driving into a car wash
The vehicle is able to roll if the following steps
are taken.
Manual transmission
1.Shift to neutral.2.Release the parking brake, refer to page 49.3.Switch the engine off.4.Leave the remote control in the ignition lock.
Sport automatic transmission
1.Insert the remote control into the ignition
lock, even with Comfort Access.2.Engage transmission position N.3.Release the parking brake, refer to page 49.4.Switch the engine off.5.Leave the remote control in the ignition lock
so that the vehicle can roll.Seite 182MobilityCare182
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12CauseHow to respondThe driving stability control systems including
ABS and the Flat Tire Monitor have failed, re‐
fer to page 81. Reduced braking and driving
stability.It is possible to continue driving.
Drive at moderate speeds, avoid‐
ing abrupt braking maneuvers.
Have the system checked as
soon as possible.Indication in US modelsThe vehicle electronics have failed.You cannot continue your jour‐
ney. Contact your service center.Indication in Canadian modelsThe vehicle electronics have failed.You cannot continue your jour‐
ney. Contact your service center.In vehicles with the Flat Tire Monitor
Light up in yellow and red:A tire is deflated.Carefully bring the car to a stop.
Observe the additional informa‐
tion, refer to page 75.The Flat Tire Monitor was not initialized.Initialize the Flat Tire Monitor, re‐
fer to page 75.Light up in yellow:Flat Tire Monitor failed. Punctures are not in‐
dicated.Have the system checked.In vehicles with the Tire Pressure Monitor
Light up in yellow and red:There is a flat tire or substantial loss of inflation
pressure in the indicated tire.Carefully bring the car to a stop.
Observe the additional informa‐
tion, refer to page 77.In vehicles with the Tire Pressure Monitor
Light up in yellow:Seite 195Indicator/warning lampsMobility195
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12CauseHow to respondTire Pressure Monitor not initialized.Check the inflation pressure and
reset the system, refer to
page 78.The small lamp flashes yellow and then stays
on, the large lamp lights up in yellow:Tire Pressure Monitor failed. Punctures are
not indicated.Have the system checked.Disturbance by systems or devices with the
same radio frequency. After leaving the area
of the disturbance, the system automatically
becomes active again.In vehicles with the Tire Pressure Monitor
The small lamp flashes yellow and then stays
on, the large lamp lights up in yellow:Tire Pressure Monitor failed. Punctures are
not indicated.Have the system checked. Ob‐
serve the additional information,
refer to page 79.A wheel without TPM electronics is mounted.Lights up in yellow: transmission malfunctionHave the system checked imme‐
diately.
When parking the vehicle, set the
parking brake since transmission
position P may be malfunction‐
ing as well.Malfunction in transmission position P.It may be possible to correct the
malfunction by restarting the en‐
gine.The gears that can be selected are restricted.After switching off the engine,
transmission position P is en‐
gaged automatically. It may not
be possible to continue driving.Transmission limp-home program active with
restricted range of gears, possibly with re‐
duced acceleration.You can continue your journey,
but moderate your speed and ex‐
ercise due caution. Have the sys‐
tem checked immediately.Gears can be engaged without depressing the
brake.Always depress the brake to en‐
gage a gear.Seite 196MobilityIndicator/warning lamps196
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Everything from A to Z
IndexA
ABS, Antilock Brake Sys‐ tem 81
Acceleration assistant, Launch Control 58
Accident, refer to Emergency Request, initiating 176
Activated charcoal filter with automatic climate control 95
Adaptive brake light, refer to Brake force display 80
Adaptive light control 70
Additives– Coolant 166
Additives, oil 166
After washing vehicle 183
Airbags 73
Airbags
– Indicator/warning lamps 75
Air circulation, refer to Recir‐
culated air mode 90, 94
Air conditioner 90
Air conditioning mode
– Air conditioner 90– Automatic climate con‐
trol 92– Ventilation 91, 94
Air distribution
– Automatic 93– Individual 90– Manual 90
Air flow rate 90, 93
Airing, refer to Ventila‐ tion 91, 94
Air outlets, refer to Air vents 89
Air pressure, refer to Tire infla‐ tion pressure 155
Air supply– Air conditioner 90– Automatic climate con‐
trol 92– Ventilation 91, 94
Air vents 89
Air vents
– Refer to Ventilation 91, 94
Alarm system 30
Alarm system
– Avoiding unintentional
alarms 31– Ending an alarm 30– Interior motion sensor 31– Tilt alarm sensor 31
All around the headliner 16
All-season tires, refer to Win‐ ter tires 162
Alternating-code hand-held transmitter 97
Alternative oil types 166
Antifreeze
– Coolant 166– Washer fluid 52
Antilock Brake System,
ABS 81
Anti-slip control, refer to DSC 81
Anti-theft protection 22
Anti-theft protection, lug bolts 174
Approved axle loads, refer to Weights 204
Approved engine oils 166
Approved gross vehicle weight, refer to Weights 204
Armrest, refer to Center arm‐ rest 103
Assist 145
Assistance, Roadside Assis‐ tance 177
Assistance systems, refer to
Driving stability control sys‐
tems 81
Assistance when driving off 84
Audio device, external 103
Automatic air distribution 93
Automatic air flow rate 93
Automatic car wash 182
Automatic climate control– Automatic air distribution 93
Automatic cruise control 85
Automatic Curb Monitor 40
Automatic Engine Start/Stop Function 47
Automatic headlamp con‐ trol 69
Automatic recirculated air control 94
Automatic transmission
– 7-gear with dual clutch 55– 8-gear 53
AUTO program with automatic
climate control 93
AUX-IN port 103, 127
Average fuel consumption 62
Average fuel consumption
– Setting the units 63
Average speed 62
Axle loads, refer to Weights 204
B
Backrest curvature, refer to Lumbar support 37
Backrests, refer to Seat ad‐ justment 36
Backrest width adjustment 37
Backup lamps
– Bulb replacement 172, 173Seite 208ReferenceEverything from A to Z208
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Driving stability control sys‐tems 81
Driving tips 108
DSC Dynamic Stability Con‐ trol 81
DTC Dynamic Traction Con‐ trol 82
Dynamic Brake Control DBC 81
Dynamic Driving Control 82
Dynamic Stability Control DSC 81
Dynamic Traction Control DTC 82
E
EBV electronic brake-force distribution 81
EfficientDynamics, refer to Saving fuel 112
Electrical fault– 7-gear automatic transmis‐
sion 58
Electrical malfunction
– Door lock 26– Driver's door 26– Fuel filler flap 152
Electric seat adjustment 37
Electronic brake-force distri‐ bution 81
Electronic engine oil level check 164
Electronic Stability Program ESP, refer to DSC 81
Emergency operation
– Fuel filler flap, unlocking
manually 152
Emergency Request 176
Emergency service, refer to Roadside Assistance 177
Emergency unlocking
– Trunk lid, from the inside 28
Energy, saving
– Automatic Engine Start/Stop
Function 47
Engine compartment 163
Engine coolant, refer to Cool‐
ant 166
Engine data 202
Engine oil, adding 165
Engine oil additives 166
Engine oil, checking the level 164
Engine oil, filling capacity 206
Engine oil temperature 61
Engine oil types, alterna‐ tive 166
Engine oil types, ap‐ proved 166
Engine, overheating, refer to Coolant temperature 61
Engine power, refer to Engine data 202
Engine, RPM 202
Engine start, Help 177
Engine, starting 46
Engine, starting– Comfort Access 28– Start/Stop button 45
Engine, stopping, Start/Stop
button 45
Engine, switching off 46
Engine temperature 61
Entry lamps, refer to Interior lamps 72
Equipment, interior 96
Error messages, refer to Check Control 66
ESP Electronic Stability Pro‐ gram, refer to DSC 81
Exchanging wheels/tires 161
Exhaust system 109
Exterior mirrors 40
Exterior mirrors
– Automatic dimming 41– Automatic heating 41– Folding in and out 41– Setting 40
External audio device 103
External start 177
External temperature dis‐ play 60
External temperature display– Changing the units 63– On the computer 63
External temperature warn‐
ing 60
Eyes for securing cargo 112
F
Failure messages, refer to Check Control 66
Failure of an electrical acces‐ sory 175
False alarm
– Avoiding unintentional
alarms 31– Ending an alarm 30
Fastening safety belts, refer to
Safety belts 38
Fasten safety belts reminder
– Refer to Safety belt re‐
minder 39
Filter
– Refer to Microfilter/acti‐
vated-charcoal filter with au‐
tomatic climate control 95– Refer to Microfilter for air
conditioner 91
Fine wood, care 184
First aid kit 177
Fittings
– For tow-starting and tow‐
ing 179
Flashing when locking/unlock‐
ing 24
Flat tire, Flat Tire Monitor FTM 75
Flat Tire Monitor
– Snow chains 162
Flat Tire Monitor FTM 75
Flat tire, Tire Pressure Monitor TPM 77
Flat tire, warning lamp 76
Flat tire, wheel change 173
Flooding 109
Floor carpet, care 184
Floor mats, care 184
Foot brake 109
Seite 211Everything from A to ZReference211
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