BMW Z4 Roadster Owner's Handbook Manual page 288

MOBILITY
Raising vehicle
WARNING
Your hands or fingers could get trapped when
using the jack. There is a danger of injury. Keep
your hands in the described position when us‐
ing the jack, and do not change this position.
1. Hold the jack with one hand, arrow 1, and
grasp the jack crank or lever with your other
hand, arrow 2.
2. Guide the jack into the rectangular recess of
the jacking point closest to the wheel to be
changed.
3. Turn the jack crank or lever clockwise to ex‐
tend the jack.
288
Wheels and tyres
4.
5.
6.
7.
Fitting a wheel
Only fit one emergency wheel at most, as re‐
quired.
1.
2.
3.
Online Edition for Part no. xxx - X/18
Remove your hand from the jack as soon as
the jack is under load and continue to turn
the jack crank or lever with one hand.
Make sure that the base of the vehicle jack is
extended perpendicular to and at right angles
underneath the jacking point.
Make sure that the base of the jack is exten‐
ded perpendicular to and at right angles be‐
low the jacking point.
Raise by cranking until the jack is supported
on the ground with its entire surface and the
wheel in question is at most 3 cm, 1.2 inches
off the ground.
Unscrew the wheel studs.
Remove the wheel.
Put on the new wheel or emergency wheel
and tighten at least two wheel studs cross‐
wise until finger-tight.
If non-original light alloy wheels not from the
vehicle manufacturer are fitted, the wheel