Coolant, To adding, Engine oil – BMW 328i Convertible 2010 User Manual
Page 217: Adding engine oil o, Adding engine oil below

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Too much oil will harm the engine.
Have the vehicle checked without
delay.
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>
"Measurement inactive. Have this
checked."
Do not add engine oil. You can continue
your journey. Note the newly calculated dis-
tance remaining to the next oil service, refer
to page
. Have the system checked as
soon as possible.
Adding engine oil
Add up to 1 US quart/1 liter of engine oil only
after a corresponding message is shown on the
Control Display.
Add oil within the next 125 miles/200 km;
otherwise, the engine could be dam-
aged.
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Keep oils, greases, etc. out of the reach of
children and comply with the relevant
warnings on the containers. Otherwise, health
hazards may result.
<
Oil change
Have oil changed only at your BMW center or at
a workshop that works according to BMW
repair procedures with correspondingly trained
personnel.
Oil types
Do not use oil additives as this could
result in engine damage.
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Specified engine oils
Your service center can advise you on which
engine oils have been approved by the manu-
facturer of your vehicle.
The engine oil quality is critical for the life of the
engine.
Only use approved High Performance oil.
Approved oils belong to the following viscosity
classes: SAE 0W-40, SAE 0W-30, SAE 5W-40
and SAE 5W-30.
Alternative oil types
If the approved engine oils are not available, up
to 1 US quart/1 liter of another oil with the fol-
lowing specification may be used:
API SM or higher
Coolant
Do not add coolant to the cooling system
when the engine is hot. Escaping coolant
can cause burns.
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Coolant consists of half water and half additive.
Not all commercially available additives are suit-
able for your BMW. Ask your BMW center for
suitable additives.
Only use suitable additives; otherwise,
engine damage may result. Because
additives are harmful to your health, it is impor-
tant to follow the instructions on the contain-
ers.
<
Comply with the appropriate environ-
mental protection regulations when dis-
posing of coolant additives.
<
Checking coolant level
1.
Do not open the engine hood before the
engine has cooled down.
2.
Turn the cap of the expansion tank a little
counterclockwise to allow any accumulated
pressure to escape, then continue turning
to open.
3.
The coolant level is correct if it is between
the maximum and minimum marks in the
Online Edition for Part no. 01 41 2 603 085 - © 08/09 BMW AG
Online Edition for Part no. 01 41 2 603 085 - © 08/09 BMW AG