BMW 650i Convertible 2010 - Manual (Page 207)

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These oils can be used at all temperatures.
Coolant
Do not open the cooling system when the
engine is hot. Escaping coolant can cause
burns. <
Coolant is composed of equal parts water and a
coolant additive. Not all commercially available
additives are suitable for your BMW. Ask your
BMW center for suitable additives.
Only use suitable additives, otherwise
engine damage may result. The additives
present a health hazard. <
Always observe all applicable environ-
mental laws and regulations when dis-
posing of used coolant additives. <
Checking coolant level
1. Do not open the hood until the engine has
cooled down.
2. Turn the cap of the expansion tank counter-
clockwise to allow any accumulated pres-
sure to escape, then continue turning to
open.
3. The coolant level is correct when the cool-
ant level is between the MIN and MAX
marks, refer to the diagram adjacent to the
filler neck.
4. If the coolant is low, slowly add coolant up to
the specified level – do not overfill.
5. Turn the cap until it clicks.
6. Have the reason for the coolant loss elimi-
nated as soon as possible.
Online Edition for Part no. 01 41 2 602 716 - © 08/09 BMW AG Online Edition for Part no. 01 41 2 602 716 - © 08/09 BMW AG