BMW M4 COUPE Owner's Manual page 341

Warning
A vehicle that is raised on a vehicle jack may fall
off of the jack if lateral forces are exerted on it.
There is a risk of injury and risk of damage to
property. While the vehicle is raised, do not ex‐
ert lateral forces on the vehicle or pull abruptly
on the vehicle. Have a stuck wheel removed by
a dealer's service center or another qualified
service center or repair shop.
Securing the vehicle against
rolling
General information
The vehicle manufacturer recommends to addi‐
tionally secure the vehicle against rolling away
when changing a wheel.
On a level surface
Place wheel chocks or other suitable objects in
front and behind the wheel that is diagonal to the
wheel to be changed.
Online Edition for Part no. 01405A38097 - VI/21
Wheels and tires
On a slight downhill gradient
If you need to change a wheel on a slight down‐
hill grade, place chocks and other suitable ob‐
jects, for instance rocks, under the wheels of
both the front and rear axles against the rolling
direction.
Lug bolt lock
Principle
The wheel lug bolts have a special coding. The
lug bolts can only be released with the adapter
which matches the coding.
Overview
The adapter of the lug bolt lock is in the onboard
vehicle tool kit or in a storage compartment close
to the onboard vehicle tool kit.
▷ Lug lock bolt, arrow 1.
▷ Adapter, arrow 2.
MOBILITY
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