BMW M3 SEDAN Owner's Manual page 344

MOBILITY
NOTICE
Fuel that does not comply with the minimum
quality can compromise engine function or
cause engine damage. There is a risk of dam‐
age to property. Do not fill with fuel that does
not comply with the minimum quality.
NOTICE
Incorrect fuels can damage the fuel system and
the engine. There is a risk of damage to prop‐
erty. Do not use fuels with a higher percentage
of ethanol than recommended. Do not refuel
with fuels containing methanol, e.g. M5 to
M100.
Recommended fuel grade
BMW recommends AKI 93.
Refuel with this gasoline to achieve the rated
performance and consumption values.
Minimum fuel grade
BMW recommends AKI 91.
If you use gasoline with this minimum AKI Rating,
the engine may produce knocking sounds when
starting at high external temperatures. This has
no effect on the engine life.
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Operating materials
Online Edition for Part no. 01405A1E4B0 - X/20
Engine oil
General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level af‐
ter refueling by taking a detailed measurement.
The engine oil consumption can increase in the
following situations, for instance:
▷ Sporty driving style.
▷ Break-in of the engine.
▷ Idling of the engine.
▷ With use of engine oil types that are classified
as not suitable.
Different Check Control messages appear on the
Control Display depending on the engine oil
level.
Safety information
NOTICE
An engine oil level that is too low causes en‐
gine damage. There is a risk of damage to
property. Immediately add engine oil.
NOTICE
Too much engine oil can damage the engine or
the catalytic converter. There is a risk of dam‐
age to property. Do not add too much engine
oil. When too much engine oil is added, have
the engine oil level corrected by a dealer's serv‐
ice center or another qualified service center or
repair shop.
Electronic oil measurement
General information
The electronic oil measurement has two measur‐
ing principles: