Online Edition for Part no. 01 41 2 604 027 - © 03/10 BMW AG
Online Edition for Part no. 01 41 2 604 027 - © 03/10 BMW AG
Online Edition for Part no. 01 41 2 604 027 - © 03/10 BMW AG
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Fuel specifications<br />
Gasoline engine: required fuel<br />
Do <strong>no</strong>t use leaded gasoline, otherwise<br />
damage to the catalytic converter will<br />
result.<br />
Do <strong>no</strong>t use E85, i.e. fuel that consists of 85%<br />
etha<strong>no</strong>l, or Flex Fuel, otherwise permanent<br />
damage to the engine and the fuel supply system<br />
will result.<<br />
Super Premium Gasoline/AKI 91<br />
This gasoline is highly recommended.<br />
However, you may also use gasoline with less<br />
AKI. The minimum AKI Rating is:<br />
> <strong>BMW</strong> X5: 87<br />
> <strong>BMW</strong> X6: 89<br />
If you use gasoline with this minimum AKI Rating,<br />
the engine may produce k<strong>no</strong>cking sounds<br />
when starting at high outside temperatures.<br />
This has <strong>no</strong> affect on the engine life.<br />
Do <strong>no</strong>t use gasoline below the specified<br />
minimum quality, otherwise engine damage<br />
can result.<<br />
Use high-quality brands<br />
Field experience has indicated significant differences<br />
in fuel quality: volatility, composition,<br />
additives, etc., among gasolines offered <strong>for</strong> sale<br />
in the United States and Canada. Fuels containing<br />
up to and including <strong>10</strong>% etha<strong>no</strong>l or other<br />
oxygenates with up to 2.8% oxygen by weight,<br />
that is, 15% MTBE or 3% metha<strong>no</strong>l plus an<br />
equivalent amount of cosolvent, will <strong>no</strong>t void the<br />
applicable warranties with respect to defects in<br />
materials or workmanship.<br />
The use of poor-quality fuels may result in<br />
drivability, starting and stalling problems<br />
especially under certain environmental conditions<br />
such as high ambient temperature and<br />
high altitude.<br />
Should you encounter drivability problems<br />
which you suspect could be related to the fuel<br />
you are using, we recommend that you respond<br />
by switching to a recognized high-quality brand<br />
such as gasoline that is advertised as Top Tier<br />
Detergent Gasoline.<br />
Failure to comply with these recommendations<br />
may also result in unscheduled maintenance.<<br />
<strong>BMW</strong> X5 with <strong>BMW</strong> Advanced Diesel:<br />
required fuel<br />
Ultra-Low Sulfur Diesel<br />
The engine of your <strong>BMW</strong> is designed <strong>for</strong> diesel<br />
with a low sulfur content:<br />
Ultra-low sulfur diesel ASTM D 975-07a.<br />
Only refuel with ultra-low sulfur diesel.<br />
The percentage of biodiesel in the fuel<br />
must <strong>no</strong>t exceed 5Ξ, referred to as B5. Do <strong>no</strong>t<br />
refuel with gasoline. If the vehicle has been<br />
refueled with incorrect fuel such as gasoline, do<br />
<strong>no</strong>t start the engine; otherwise, there is a danger<br />
of engine damage.<<br />
After incorrect refueling, contact a <strong>BMW</strong> Sports<br />
Activity Vehicle Center.<br />
The fuel filling neck is designed <strong>for</strong> refueling<br />
with diesel <strong>no</strong>zzles.<br />
If the <strong>no</strong>zzle can<strong>no</strong>t be inserted into the fuel<br />
filler pipe of your <strong>BMW</strong>, please check to make<br />
sure that you are refueling with a diesel fuel<br />
pump and whether this is equipped with a diesel<br />
<strong>no</strong>zzle.<<br />
In the event the ultra-low sulfur diesel<br />
<strong>no</strong>zzle can<strong>no</strong>t be fully inserted into the<br />
fuel filler neck, please contact <strong>BMW</strong> Roadside<br />
Assistance <strong>for</strong> instructions on how to add fuel.<br />
For more in<strong>for</strong>mation on <strong>BMW</strong> Roadside Assistance,<br />
refer to page 274.<<br />
Winter diesel<br />
In order to assure the operational reliability of<br />
the diesel engine, during cold seasons, please<br />
refuel with winter diesel, which is sold at filling<br />
stations during this time of year. The standard<br />
fuel filter heating prevents the supply of fuel<br />
from stalling during driving.<br />
235<br />
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