BMW X4 Owner's Manual page 328

MOBILITY
tween the axles to achieve even wear. Further in‐
formation is available from a dealer's service cen‐
ter or another qualified service center or repair
shop. After rotating, check the tire pressure and
correct, if needed.
Storing tires
Tire pressure
Do not exceed the maximum tire inflation pres‐
sure indicated on the tire sidewall.
Storage
▷ Store wheels and tires in a cool, dry and dark
place.
▷ Always protect tires against all contact with
oil, grease, and solvents.
▷ Do not leave tires in plastic bags.
▷ Remove dirt from wheels or tires.
Runflat tires
Principle
Run-flat tires permit continued driving under re‐
stricted conditions even in the event of a com‐
plete tire pressure loss.
General information
The wheels consist of tires that are self-support‐
ing, to a limited degree, and possibly special
rims.
The reinforcement of the sidewall allows the tire
to remain drivable to a restricted degree in the
event of a tire pressure loss.
Follow the instructions for continued driving with
a flat tire.
328
Wheels and tires
Online Edition for Part no. 01405A37CC6 - VI/21
Safety information
Warning
The vehicle handles differently when a run-flat
tire has insufficient or no tire pressure; for in‐
stance, reduced lane stability when braking,
braking distances are longer and the self-steer‐
ing properties will change. There is a risk of ac‐
cident. Drive moderately and do not exceed a
speed of 50 mph/80 km/h.
Identification
The tires are marked on the tire sidewall with
Run-flat System Component RSC.
Repairing a flat tire
Safety measures
▷ Park the vehicle as far away as possible from
passing traffic and on solid ground.
▷ Turn on the hazard warning system.
▷ Secure the vehicle against rolling away by
setting the parking brake.
▷ Turn the steering wheel until the front wheels
are in the straight-ahead position and engage
the steering wheel lock.
▷ Have all vehicle occupants get out of the ve‐
hicle and ensure that they remain outside the