BMW M6 Convertible 2009 - Manual (Page 232)

Replacing components
230
Mounting a wheel
1. Unscrew the lug bolts and remove the
wheel.
2. Remove accumulations of mud or dirt from
the mounting surfaces of the wheel and
hub. Also clean the lug bolts.
3. Position the new wheel or spare wheel.
Secure the wheel by screwing at least two
lug bolts into opposite bolt holes.
When you mount wheels other than Genu-
ine BMW light-alloy wheels, different lug
bolts may also be required.
4. Screw in the remaining lug bolts. Tighten all
the bolts securely in a diagonal pattern.
5. Lower the vehicle and remove the jack from
beneath the vehicle.
After mounting
1. Tighten the lug bolts in a diagonal pattern.
To ensure safety, always have the
lug bolts checked with a calibrated
torque wrench as soon as possible to
ensure that they are tightened to the speci-
fied torque. Otherwise, incorrectly tight-
ened lug bolts are a hidden safety risk. The
tightening torque is 88.5 lb ft/120 Nm.
<
2. Check and correct the tire inflation pressure
at the earliest opportunity.
Protect valve stems with valve stem
seal caps against dirt and contamina-
tion. Dirt in valve stems is a frequent source
of gradual air loss.
<
3. Initialize the Flat Tire Monitor, refer to
page
87 , and the Sequential Manual Trans-
mission, refer to After changing wheels/
tires on page
210 .
4. Replace the damaged tire as soon as possi-
ble and have the new wheel/tire balanced.
Stowing wheel and tools
Convertible: a rear wheel can only be
transported with the convertible top com-
partment floor folded up. <
1. Lay the wheel in the tool mounting.
2. Lay the cover on the mounting.
3. Coupe: center the wheel and cover relative
to the lashing eyes
5.
Convertible: slide the wheel as far as possi-
ble to the left and to the rear.
4. Coupe: hook the belt into the lashing eyes 5
and lay it in the belt guide which runs in the
center of the lid.
Convertible: hook the belt into the lashing
eyes
5 and 7 and lay it in the belt guide of
the lid which runs offset.
5. Completely open the tensioning lock.
6. Thread the belt 3 through the axis 6 of the
tensioning lock without twisting it and ten-
sion it by hand.
7. Tighten the belt firmly with the tensioning
lock by opening and closing the lock several
times.
8. Fold the tensioning lock closed and stow
the protruding belt end.
Driving with spare wheel
With certain wheel-and-tire combinations
the size of the spare wheel differs from
that of the other wheels. The spare wheel is
equivalent to them in all load and speed ranges.
However, to restore the original state, the nor-
Online Edition for Part no. 01 41 2 600 775 - © 08/08 BMW AG