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29n
RepairsIndex OverviewControlsCar careTechnologyData
Fuel specifications Tire inflation pressure
Use unleaded gasoline only.
Recommended octane rating: 91 AKI.
BMW engines are equipped with knock
sensors and will adapt automatically
to different octane ratings, provided
that the minimum octane requirement
(87 AKI) is met.
Fuels with higher octane ratings will
provide enhanced performance and
lower fuel consumption, while the use
of fuels with low octane ratings will
have an opposite effect.
Do not use leaded fuels. The use
of leaded fuels will cause perma-
nent damage to the system's oxygen
sensor and the catalytic converter.<
AKI = Anti Knock Index
The inflation pressures are indicated on
a sticker attached to the B-pillar behind
the driver's door (visible with door
open).
Check tire pressures
All pressure specifications are indicated
in psi (kilopascal) for tires at ambient
temperature (refer also to the next
pages).
For vehicles with Tire Pressure Control
(RDC)
*:
After a correction of the tire inflation
pressure, reactivate the system. Refer
to page 92.
390de351
Check tire inflation pressures reg-
ularly – at least every two weeks
and before beginning a longer trip.
Incorrect tire pressure can lead to tire
damage and accidents.
Check the inflation pressure of the
spare tire also. Inflate the spare tire to
the highest inflation of any tire on your
vehicle.<
Comply with tire approval
specifications
The inflation pressures in the table
apply to tires from BMW approved
manufacturers. Your BMW center is
familiar with these pressures. Higher
pressures may be specified for tires
from other manufacturers. You will find
a list of approved tires beginning on
page 140.
Your vehicle is equipped with tires that
not only meet US standards, but also
European standards. We recommend
the exclusive use of BMW approved
tires.
Online Edition for Part No. 01 41 0 155 012 - © 07/99 BMW AG
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