BMW Z4 M ROADSTER&COUPE 2007 Owner's Manual

Reference
At a glance
Controls
Driving tips
Mobility
19
Warning of low tire inflation pressure
The warning lamp lights up in yellow. A
signal also sounds. There is a flat tire or
a significant loss of tire pressure in one
or more tires.
1. Reduce speed and pull the vehicle over
carefully. Avoid strong braking and steering
maneuvers.
2. Identify the damaged wheel or wheels. To
do this, check the tire inflation pressure
using the M Mobility System, refer to
Restoring tire inflation pressure on page 33.
If the damaged wheel cannot be iden-
tified, contact your BMW center. <
3. Use the M Mobility System to repair the flat
tire, refer to page 31.
Have the damaged tire replaced at the BMW
center or at a workshop that works according to
BMW repair procedures with correspondingly
trained personnel.
Power steering
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, your BMW Z4 M Road-
ster/Z4 M Coupe is equipped with hydraulic
power steering.

Driving tips
This section provides you with informationuseful in dealing with specific driving and
operating conditions.
Driving tips

Special operating instructions
22
Special operating instructions
Break-in procedures
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, please take note of the
following differences for your BMW Z4 M Road-
ster/Z4 M Coupe.
Always obey all official speed limits.
Engine and differential
Up to 1,200 miles/2,000 km
Drive at varying engine and road speeds, but do
not exceed 5,500 rpm or 105 mph/170 km/h.
Strictly avoid depressing the accelerator pedal
to full-throttle position.
After the breaking-in inspection at 1,200 miles/
2,000 km, engine or road speeds can be gradu-
ally increased.
Transmission
The function of the tr ansmission reaches its
optimal level only after driving a distance of
approx. 300 miles/500 km. Do not exceed
engine speeds of 5,500 rpm during this time.
After replacing components
The same break-in procedures should be
observed if any of the components mentioned
above have to be renewed in the course of the
vehicle's operating life.
Driving notes
Ground clearance
The front spoiler greatly restricts the
vehicle's ground clearance. Make sure
that your BMW always has sufficient ground
clearance, e.g. when entering underground
garage complexes or driving over the edge of a
curb; otherwise the front spoiler could be dam-
aged. <
Braking safely
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, your BMW Z4 M Road-
ster/Z4 M Coupe is equipped with perforated
brake discs.
In certain braking situations, operation of the
perforated brake discs can cause noise; how-
ever, this does not affect the performance and
operating safety of the brakes.

Reference
At a glance
Controls
Driving tips
Mobility
23

Mobility
This section helps you maintain your car's
mobility by supplying important information
on vital topics including fuels and lubricants, wheels and tires, service, maintenance and breakdown assistance.
Mobility

Refueling
26
Refueling
Note when refueling
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, please take note of the
following differences for your BMW Z4 M Road-
ster/Z4 M Coupe.
Fuel tank capacity
Approx. 14.5 US gallons/55 liters, including the
reserve capacity of approx. 2.6 US gallons/
10 liters.Do not drive until the tank is empty. Oth-
erwise, the engine may not operate prop-
erly and damage could result. <
Fuel specifications
Do not fill the tank with leaded fuel, as this
would cause permanent damage to the
catalytic converter.
Do not fill the tank with E85, i.e. fuel that con-
tains 85 % ethanol, nor with Flex Fuel, as this
would cause damage to the engine and fuel
supply system. <
Required fuel
Super Premium Gasoline/AKI 93
Always use this premium grade fuel to obtain
maximum fuel economy and performance.
The minimum approved fuel grade is AKI 91.
Do not fill the tank with gasoline below the
specified minimum grade; otherwise
engine damage could result. <

Reference
At a glance
Controls
Driving tips
Mobility
27
Wheels and tires
Correct wheels and tires
In contrast to the descriptions in the Owner's
Manual for the BMW Z4, your BMW Z4 M Road-
ster/Z4 M Coupe is not equipped with Run-Flat
Tires.
Information for your safety
The factory-approved radial-ply tires are spe-
cifically matched to your vehicle and offer opti-
mal road safety as well as enhanced driving
comfort if used properly.
In the event of a flat tire, proceed as described
under M Mobility System, refer to page31.
Z4 M Roadster: tire inflation pressures
Z4 M Coupe: tire inflation pressures
Snow chains*
Snow chains may be attached only to winter
tires of the size 225/40R 18 on both rear
wheels.
Do not initialize the Flat Tire Monitor if
snow chains are mounted
*, as this may
cause the instrument to issue an incorrect read-
ing. When driving with snow chains, you may find it
helpful to deactivate DSC temporarily, refer to
page
18.<
Tire sizePressure specifications in psi/kPa
All pressure specifications in the table are
indicated in psi/kilopascal with cold tires,
cold = ambient temperature
Front: 225/45 ZR 18
Rear: 255/40 ZR 18 30/210
– –
32/220
225/40 R 18 92 V M+S 33/230 36/250
You will find more information about permissible loads and weights on page 41.
Tire sizePressure specifications in psi/kPa
All pressure specifications in the table are
indicated in psi/kilopascal with cold tires,
cold = ambient temperature
Front: 225/45 ZR 18
Rear: 255/40 ZR 18 30/210
– –
32/220
225/40 R 18 92 V M+S 33/230 38/260
You will find more information about permissible loads and weights on page 41.

Under the hood
28
Under the hood
Important parts in the engine compartment
1Washer fluid reservoir for headlamp and
windshield washer system
2 Filler neck for engine oil, refer to Adding
engine oil
3 Jump-starting connection 4
Reservoir for brake fluid
5 Coolant expansion tank
6 Chassis ground, negative terminal
7 Dipstick for engine oil, refer to Checking the
oil level
Engine oil
Like fuel consumption, engine oil consumption
depends on your driving style and the vehicle's
operating conditions.
Warning lamp
Engine oil pressure
The warning lamp lights up in red:
The engine oil pressure is too low.
Stop the vehicle immediately and
switch off the engine. Check the engine oil level
and top up if necessary. If the oil level is correct,
please contact your nearest BMW center or a
workshop that works according to BMW repair procedures with correspondingly trained per-
sonnel.
Do not continue driving, otherwise the
engine could sustain serious damage
from inadequate lubrication. <
Engine oil level
The warning lamp lights up in yellow
while you are driving. A signal also
sounds.
The oil level is at the absolute minimum; check
engine oil level using dipstick 7 and refill as
soon as possible. Do not drive more than
30 miles/50 km before refilling.