Owner's Manual for the vehicle. With a quick reference ... - E38.org

Brake fluid
147n
380de080
Brake fluid level
Brake hydraulic system warning
lamp comes on, "Check brake
fluid" appears in the Check Control
display: The brake fluid level
is too low in the reservoir.
Fill up to upper mark ("MAX" level visible
through the transparent reservoir).
Any BMW center can provide you with
information on factory-approved brake
fluids (DOT 4).
Brake fluid loss results in extended
pedal travel. Refer to the information on
page 128.
Brake fluid is hygroscopic, that is,
it absorbs moisture from the air
over time.
In order to ensure the operating safety
of the brake system, have the brake
fluid changed every two years by your
BMW center. Refer also to the Service
Warranty Information Booklet (US models)
or to the Warranty and Service
Guide Booklet (Canadian models).
Brake fluid is toxic and damages the vehicle's
paint. Always store brake fluid in
the original containers. Keep the containers
tightly closed and out of reach
of children. Do not spill brake fluid. Do
not fill beyond the "MAX" level in the
reservoir. The brake fluid could ignite
upon contact with hot engine parts and
cause serious burns.<
Comply with the applicable environmental
laws regulating the disposal
of brake fluid.<
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