Fuel Tank Capacity; Fuel Specifications - BMW 2006 Z4 3.0i2006 Z4 3.0si Owner's Manual

The fuel tank is full when the filler nozzle shuts
off the first time.

Fuel tank capacity

Approx. 14.5 US gallons/55 liters, including the
reserve capacity of approx. 2.1 US gallons/
8 liters.
Do not drive until the fuel tank is empty.
Otherwise, the engine may not operate
properly and damage could

Fuel specifications

Do not fill the tank with leaded fuel, as this
would cause permanent damage to the
catalytic converter.<
Required fuel
Super Premium Gasoline/AKI 91
This gasoline is highly recommended. How-
ever, you may also use gasoline with less AKI.
The minimum AKI Rating is 87.
If you use gasoline with this minimum AKI Rat-
ing, the engine may produce knocking sounds
when starting at high outside temperatures.
This has no effect on the engine life.
Use high-quality brands
Field experience has indicated significant dif-
ferences in fuel quality: volatility, composition,
additives, etc., among gasolines offered for sale
in the United States and Canada. Fuels contain-
ing up to and including 10% ethanol or other
oxygenates with up to 2.8% oxygen by weight,
that is, 15% MTBE or 3% methanol plus an
equivalent amount of co-solvent, will not void
the applicable warranties with respect to
defects in materials or workmanship.
The use of poor-quality fuels may result in
drivability, starting and stalling problems
especially under certain environmental condi-
tions such as high ambient temperature and
high altitude.
Should you encounter driveability problems
which you suspect could be related to the fuel
Online Edition for Part-No. 01 41 0 012 083 - © 04/06 BMW AG
result.<
you are using, we recommend that you respond
by switching to a recognized high-quality brand
such as gasoline that is advertised as Top Tier
Detergent Gasoline.
Failure to comply with these recommendations
may also result in unscheduled maintenance.<
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