Changing wheels, Vehicle battery, Replacing components – BMW M3 Sedan 2008 User Manual

Page 126

Replacing components

124

Adjust the tire inflation pressure to 29 psi/
200 kPa. With the ignition switched on, pro-
ceed as follows:

To increase the inflation pressure:
Switch on the compressor, position I. To
check the current inflation pressure set-
ting, briefly switch off the compressor.

Do not let the compressor run for
more than 10 minutes, otherwise the

device will overheat and may be dam-
aged.

To reduce the inflation pressure: turn
screw

8 on the pressure gauge.

If the inflation pressure is not maintained,
drive the vehicle a second time, refer to

Distributing the sealant. Then repeat steps 1 to
4.
Use of the M Mobility System may be ineffec-
tual for tire damage larger than approx. 0.16 in/
4 mm. Please contact the nearest BMW center,
refer to page

126

, or a workshop that works

according to BMW repair procedures with cor-
respondingly trained personnel if the tire can-
not be made roadworthy with the M Mobility
System.

The tire inflation pressure must be at least
29 psi/200 kPa. If it is not, do not continue

driving.

Continuing your trip

Do not exceed the maximum allowable
speed of 50 mph/80 km/h to avoid the risk

of an accident.

Reinitialize the Flat Tire Monitor, refer to
page

for more information.

Have the faulty tire and the sealant bottle of the
M Mobility System replaced as soon as possi-
ble.

Changing wheels

The tools for changing wheels are avail-
able as optional accessories from your

BMW center.

Jack mounting points

The jacking points are at the positions shown in
the illustration.

Vehicle battery

Battery care

The battery is 100% maintenance-free, the
electrolyte will last for the life of the battery
when the vehicle is operated in a temperate cli-
mate. Your BMW center will be glad to advise in
all matters concerning the battery.

Charging the battery

Only charge the battery in the vehicle via the
terminals in the engine compartment with the
engine off. Connections, refer to Jump starting
on page

127

Disposal

Have old batteries disposed of by your
BMW center or hand them in to a recy-

cling center. Maintain the battery in an upright
position for transport and storage. Always
secure the battery against tipping over during
transport.

Power failure

After a temporary power loss, the functioning of
some equipment may be limited and require
reinitialization. Individual settings may likewise
have been lost and will have to be programmed:

Time and date
These values must be updated, refer to
page