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125n
Index Data Technology Repairs Car care Controls Overview
Coolant
Do not add coolant to the cooling
system when the engine is hot. If
you do, escaping coolant can cause
burns.
To avoid the possibility of damage later
on, never use anything other than
factory-approved, nitrite and amino-
free extended-duty antifreeze with
corrosion inhibitor. Your BMW center is
familiar with the official specifications.
Antifreeze and anticorrosion agents are
hazardous to health. You should always
store them in original containers and in
a location inaccessible to children.
Extended-duty antifreeze with corro-
sion inhibitor contains ethylene glycol,
a flammable substance. For this reason,
do not spill long-life antifreeze with
corrosion inhibitor on hot engine parts.
It could catch fire and cause burns.<
Check the coolant level and add
coolant
Check the coolant level when the
engine is cold (approx. 68 7 or
+20 6). The coolant gauge needle in
the instrument cluster must be located
in the blue field, as otherwise you could
be scalded when adding more fluid.
1 Open the cap for the expansion tank
by turning it slightly counter-clock-
wise to allow accumulated pressure
to escape. Then open
2 The coolant level is correct whenever
the upper end of the red float rod is
aligned with the upper edge of the
filler neck (refer to the arrow in the
illustration and the schematic
diagram next to the filler neck as well)
3 If the coolant is low, slowly add
coolant until the correct level is
reached – do not overfill.
The coolant is a mixture of water and
extended-duty antifreeze with corrosion
inhibitor. Always maintain the
prescribed all-season 50:50 mixture
ratio for year-round protection against
internal corrosion. No other additives
are required.
Change the coolant
Replace the coolant every three years.
Comply with the applicable envi-
ronmental laws regulating the
disposal of extended-duty antifreeze
with corrosion inhibitor.<
Online Edition for Part No. 01 41 0 155 433 - © 08/00 BMW AG
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