2019 BMW Z4 Owners Manual

MOBILITY
Refueling
...................................................................................................
250
8heels
and
tires
......................................................................................
252
Engine
compartment
..............................................................................
281
0perating
materials
.................................................................................
284 Maintenance
.............................................................................................
291
Replacing
components
..........................................................................
293 Breakdown
assistance
...........................................................................
296
Care
...........................................................................................................
303249
Online
Edition
for
Part
no.
01402719016
-
X/18

RefuelingVehicle
features
andoptions
This
chapter
describes
all
standard,
country-spejcific
and
optional
features
offered
with
the
series. It
also
describes
features
and
functions
that
are
not
necessarily
available
in
your
vehicle,
e.g.,
due to
the
selected
options
or
country
versions.
Thisalso
applies
to
safety-related
functions
and
sysj
tems.
When
using
these
functions
and
systems,
the
applicable
laws
and
regulations
must
be
obj
served.
Follow
the
following
when refueling
General
information
Follow
the
fuel
recommendation,
refer
to
page
284,
prior
to
refueling.
When
refueling,
insert
the
filler
nozzle
completely
into
the
filler
pipe.
Lifting
up
the
fuel
pump
nozzle during
refueling
causes:
'xPremature
switching
off.'xReduced
return
of
the
fuel
vapors.
The
fuel
tank
is
full
when
the
filler
nozzle
clicks
off
the
first
time.
Make
sure
that
the
fuel
cap
is
closed
properly
afj ter
refueling,
otherwise
the
emissions
warning
light
may
light
up.
Follow
safety
regulations
posted
at
the
gas
staj
tion.
Safety
information
NOTICE
With
a
driving
range
of
less
than 30
miles/50
km
the
engine
may
no
longer
have
sufficient
fuel.
Engine
functions
are
not
enj
sured
anymore.
There
is
a
risk
of
damage
to
property.
Refuel
promptly.
NOTICE
Fuels
are
toxic
and
aggressive.
Overfilling
of
the fuel
tank
can
damage
the
fuel
system.
Painted
surfaces
may
be
damaged
by
contact
with
fuel.
Escaping
fuel
can
harm
the
environment.
There
is
a
risk
of
damage
to
property.
Avoid
overfilling.
Fuel
cap
Opening
1.Briefly
press
the
rear
edge
of
the
fuel
filler
flap.Seite
250MOBILITYRefueling250
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01402719016
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2.Turn
the
fuel
cap
counterclockwise.3.Place
the
fuel
cap
in
the
bracket
attached
to
the
fuel
filler
flap.
Closing
WARNING
The
retaining
strap
of
the
fuel
cap
can
be
jamj
med
and
crushed
during
closing.
The
cap
canj not
be
correctly
closed.
Fuel
or
fuel
vapors
can
escape.
There
is
a
risk
of
injury
or
risk
of
damj
age
to
property.
Pay
attention
that
the
retaining
strap
is
not
jammed
or
crushed
when
closing
the
cap.
1.Fit
the
cap
and
turn
it
clockwise
until
you
clearly
hear
a
click.2.Close
the
fuel
filler
flap.
Manually
unlocking
fuel
filler
flap
It
may
be
necessary
in
certain
situations
to
unj
lock
the
fuel
filler
flap
manually,
e.g.
with
an
elecj
trical
fault.
Have
fuel
filler
flap
unlocked
by
a
dealerss
service
center
or
another
qualified
service
center
or
rej
pair
shop.Seite
251RefuelingMOBILITY251
Online
Edition
for
Part
no.
01402719016
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X/18

Wheels
and
tiresVehicle
features
andoptions
This
chapter
describes
all
standard,
country-spejcific
and
optional
features
offered
with
the
series. It
also
describes
features
and
functions
that
are
not
necessarily
available
in
your
vehicle,
e.g.,
due to
the
selected
options
or
country
versions.
Thisalso
applies
to
safety-related
functions
and
sysj
tems.
When
using
these
functions
and
systems,
the
applicable
laws
and
regulations
must
be
obj
served.
Tire
inflation
pressure
General
information The
tire
characteristics
and
tire
inflation
pressure
influence
the
following:
'xThe
service
life
of
the
tires.'xRoad
safety.'xDriving
comfort.'xFuel
consumption.
Safety
information
WARNING
A
tire
with
too
little
or
no
tire
inflation
pressure
may
heat
up
significantly
and
sustain
damage.
This
will
have
a
negative
impact
on
aspects
of handling,
such
as
steering
and
braking
rej
sponse.
There
is
a
risk
of
an
accident.
Regularly
check
the
tire
inflation
pressure,
and
correct
it as
needed,
for
instance
twice
a
month
and
bej
fore
a
long
trip.
Tire
inflation
pressure
specifications
In
the
tire
inflation
pressure
table The
tire
inflation
pressure
table,
refer
to
page
254,
contains
all
tire
inflation
pressure
specifications
for
the
specified
tire
sizes
at
the
ambient
temperature.
The
tire
inflation
pressure
values
apply
to
tire
sizes
approved
by
the
manuj
facturer
of
the
vehicle
for
the
vehicle
type.
To
identify
the
correct
tire
inflation
pressure,
please
note
the
following:'xTire
sizes
of
your
vehicle.'xMaximum
permitted
driving
speed.
On
the
Control
Display
The
current
tire
inflation
pressure
values
and
the
intended
tire
inflation
pressure
values
for
the
mounted
tires
can
be
displayed
on
the
Control Display.
To
ensure
that
they
are
displayed
correctly,
the tire
sizes
must
be
stored
in
the
system
and
must have
been
set,
refer
to
page
266,
for
the
mounted
tires.
The
current
tire
inflation
pressure
value
is
loj cated
on
each
tire.
The
intended
tire
inflation
pressure
value
is
loj cated
in
the
lower
area
of
the
Control
Display.
Checking
the
tire
inflation
pressure
General
information
Tires
heat
up
while
driving.
The
tire
inflation pressure
increases
with
the
tire
temperature.
Tires
have
a
natural,
consistent
loss
of
tire
inflajtion
pressure.
The
displays
of
inflation
devices
may
under-read
by
up
to
0.1
bar/2
psi.
Seite
252MOBILITY8heels
and
tires252
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for
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01402719016
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Checking
using
tire
inflation
pressure
specifications
in
the
tire
inflation
pressure
table
The
tire
inflation
pressure
specifications
in
the
tire
inflation
pressure
table
only
relate
to
cold
tires
or
tires
at
the
same
temperature
as
the
amj
bient
temperature.
Only
check
the
tire
inflation
pressure
levels
when
the
tires
are
cold,
i.e.:'xDriving
range
of
max.
1.25
miles/2
km
has
not
been
exceeded.'xIf
the
vehicle
has
not
moved
again
for
at
least 2
hours
after
a
trip.
Check
the
tire
inflation
pressure
of
the
emerj
gency
wheel
in
the
cargo
area
regularly,
and
corj rect
it
as
needed.
1.Determine,
refer
to
page
252,
the
intended
tire
inflation
pressure
levels
for
the
mounted
tires.2.Check
the
tire
inflation
pressure
in
all
four
tires,
using
a
pressure
gage,
for
example.3.Correct
the
tire
inflation
pressure
if
the
curj
rent
tire
inflation
pressure
value
deviates
from the
specified
value.4.Check
whether
all
valve
caps
are
screwed
onto
the
tire
valves.
Checking
using
the
tire
inflation
pressure
specifications
on
the
Control
Display
Via
iDrive:
1.CAR2.Vehicle
status3.

Tire
Pressure
Monitor4.Check
whether
the
current
tire
inflation
presj
sure
levels
deviate
from
the
intended
tire
pressure
value.5.Correct
the
tire
inflation
pressure
if
the
curj
rent
tire
inflation
pressure
value
deviates
from the
intended
value.After
correcting
the
tire
inflation
pressure
With
runflat
tires:
Reinitialize
the
Flat
Tire
Monitor.
With
Tire
Pressure
Monitor
TPM:
With
tires
that
cannot
be
found
in
the
tire
presj
sure
values
on
the
Control
Display,
reset
the
Tire Pressure
Monitor
TPM.
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
valj ues
in
the
tire
inflation
pressure
table,
refer
topage
254,
and
adjust
as
necessary.
These
pressure
values
can
also
be
found
on
the
tire
inflation
pressure
label
on
the
driver's
door
pillar.
Do
not
exceed
a
speed
of
100
mph/160
km/h.
Seite
2538heels
and
tiresMOBILITY253
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for
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01402719016
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Tire
inflation
pressure
values
up
to
100
mph/160
km/h
Z4
sDrive30iTire
sizePressure
specifications
in
bar/PSISpecifications
in
bar/PSI
with
cold
tires225/50
R
17
98
H
M+S
XL
Std/RSC2.2
/
322.2
/
32255/40
R
18
99
V
M+S
XL
Std2.2
/
322.4
/
35Front:
255/40
ZR
18
95
Y
Std2.2
/
32-Rear:
275/40
ZR
18
99
Y
Std-2.2
/
32Front:
225/45
ZR
18
95
Y
XL
Std2.2
/
32-Rear:
255/40
ZR
18
99
Y
XL
Std-2.2
/
32Front:
255/35
ZR
19
92
Y
Std2.2
/
32-Rear:
275/35
ZR
19
100
Y
XL
Std-2.2
/
32Front:
255/35
ZR
19
96
Y
XL
Std2.2
/
32-Rear:
275/35
ZR
19
100
Y
XL
Std-2.2
/
32Emergency
wheel:
T
135/90
R
17
104
MSpeed
up
to
a
max.
of
50
mph
/
80
km/h
4.2
/
60Z4
M40iTire
sizePressure
specifications
in
bar/PSISpecifications
in
bar/PSI
with
cold
tires225/50
R
17
98
H
M+S
XL
Std/RSC2.2
/
322.2
/
32255/40
R
18
99
V
M+S
XL
Std2.6
/
382.6
/
38Front:
255/40
ZR
18
95
Y
Std2.6
/
38-Rear:
275/40
ZR
18
99
Y
Std-2.6
/
38Front:
255/35
ZR
19
92
Y
Std2.6
/
38-Rear:
275/35
ZR
19
100
Y
XL
Std-2.6
/
38Front:
255/35
ZR
19
96
Y
XL
Std2.6
/
38-Rear:
275/35
ZR
19
100
Y
XL
Std-2.6
/
38Emergency
wheel:
T
135/90
R
17
104
MSpeed
up
to
a
max.
of
50
mph
/
80
km/h
4.2
/
60Seite
254MOBILITY8heels
and
tires254
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Edition
for
Part
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01402719016
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Tire
inflation
pressures
at
max.
speeds
above
100
mph/160
km/h
WARNING
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
exjceeding
100
mph/160
km/h
from
the
relevanttable
on
the
following
pages.
Otherwise,
tire
damage
and
accidents
could
occur.
For
speeds
over
100
mph/160
km/h
and
for
optij
mum
driving
comfort,
note
the
pressure
values
in
the
tire
inflation
pressure
table,
refer
to
page
255,
and
adjust
as
necessary.
Tire
inflation
pressure
values
over
100
mph/160
km/h
Z4
sDrive30i
Tire
sizePressure
specifications
in
bar/PSISpecifications
in
bar/PSI
with
cold
tires225/50
R
17
98
H
M+S
XL
Std/RSC2.2
/
322.2
/
32255/40
R
18
99
V
M+S
XL
Std2.2
/
322.4
/
35Front:
255/40
ZR
18
95
Y
Std2.2
/
32-Rear:
275/40
ZR
18
99
Y
Std-2.2
/
32Front:
225/45
ZR
18
95
Y
XL
Std2.2
/
32-Tire
sizePressure
specifications
in
bar/PSIRear:
255/40
ZR
18
99
Y
XL
Std-2.2
/
32Front:
255/35
ZR
19
92
Y
Std2.2
/
32-Rear:
275/35
ZR
19
100
Y
XL
Std-2.2
/
32Front:
255/35
ZR
19
96
Y
XL
Std2.2
/
32-Rear:
275/35
ZR
19
100
Y
XL
Std-2.2
/
32Emergency
wheel:
T
135/90
R
17
104
MSpeed
up
to
a
max.
of
50
mph
/
80
km/h
4.2
/
60
Z4
M40i
Tire
sizePressure
specifications
in
bar/PSISpecifications
in
bar/PSI
with
cold
tires225/50
R
17
98
H
M+S
XL
Std/RSC2.2
/
322.2
/
32255/40
R
18
99
V
M+S
XL
Std2.6
/
382.6
/
38Front:
255/40
ZR
18
95
Y
Std2.6
/
38-Rear:
275/40
ZR
18
99
Y
Std-2.6
/
38Front:
255/35
ZR
19
92
Y
Std2.6
/
38-Seite
2558heels
and
tiresMOBILITY255
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Edition
for
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no.
01402719016
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Tire
sizePressure
specifications
in
bar/PSIRear:
275/35
ZR
19
100
Y
XL
Std-2.6
/
38Front:
255/35
ZR
19
96
Y
XL
Std2.6
/
38-Rear:
275/35
ZR
19
100
Y
XL
Std-2.6
/
38Emergency
wheel:
T
135/90
R
17
104
MSpeed
up
to
a
max.
of
50
mph
/
80
km/h
4.2
/
60
Tire
identification
marks
Tire
size
245/45
R
18
96
Y
245:
nominal
width
in
mm
45:
aspect
ratio
in
%
R:
radial
tire
code
18:
rim
diameter
in
inches
96:
load
rating,
not
for
ZR
tires
Y:
speed
rating,
before
the
R
on
ZR
tires
Maximum
tire
load
Maximum
tire
load
is
the
maximum
permissible
weight
for
which
the
tire
is
approved.
Locate
the
maximum
tire
load
on
the
tire
sidewall
and
the
Gross
Axle
Weight
Rating
m
GAWR
m
on
the
certification
label
on
the
driver
door
B-pillar. Divide
the
tire
load
by
1.1.
It
must
be
greater
than
one-half
of
the
vehicless
Gross
Axle
Weight Rating
m
GAWR.
Note,
front
vs.
rear
GAWR
and
tire
loads,
respectively.
Speed
letter
Q

up
to
100
mph/160
km/h
R

up
to
106
mph/170
km/h
S

up
to
112
mph/180
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/h
Tire
Identification
Number
DOT
code:
DOT
xxxx
xxx
3818
xxxx:
manufacturer
code
for
the
tire
brand
xxx:
tire
size
and
tire
design
3818:
tire
age
Tires
with
DOT
codes
meet
the
guidelines
of
the
U.S.
Department
of
Transportation.
Tire
age
Recommendation Regardless
of
the
tire
tread,
replace
tires
at
leastevery
6
years.
Manufacture
date
You
can
find
the
manufacture
date
of
the
tire
on the
tire's
sidewall.DesignationManufacture
dateDOT