BMW M4 COUPE Owner's Manual page 73

Folding down the wipers
After the wipers are folded back down, the
wiper system must be reactivated.
1. Switch on the ignition.
2. Push wiper lever down. Wipers return to
their resting position and are ready again
for operation.
Washer fluid
General information
All washer nozzles are supplied from one res‐
ervoir.
Use a mixture of tap water, windshield washer
concentrate, and possibly antifreeze for the
windshield washer system.
Recommended minimum fill quantity:
0.2 US gal/1 liter.
Safety information
WARNING
Some antifreeze agents can contain
harmful substances and are flammable. There
is a risk of fire and a risk of injury. Observe the
instructions on the containers. Keep antifreeze
away from ignition sources. Do not refill oper‐
ating materials into different bottles. Store op‐
erating materials out of reach of children.
United States: The washer fluid mixture ratio is
regulated by the U.S. EPA and many individual
states; do not exceed the allowable washer
fluid dilution ratio limits that apply. Follow the
usage instructions on the washer fluid con‐
tainer.
Use of BMW's Windshield Washer Concen‐
trate or the equivalent is recommended.◀
WARNING
Washer fluid can ignite and catch fire on
contact with hot engine parts. There is a risk of
injury or risk of property damage. Only add
washer fluid when the engine is cooled down.
Online Edition for Part no. 01 40 2 974 597 - VI/16
Driving
Next, fully close the lid of the washer fluid res‐
ervoir.◀
NOTE
Silicon-containing additives in the
washer fluid for the water-repelling effect on
the windows can lead to damage to the wash‐
ing system. There is a risk of property damage.
Do not add silicon-containing additives to the
washer fluid.◀
NOTE
Mixing different windshield washer con‐
centrates or antifreeze agents can damage the
washing system. There is a risk of property
damage. Do not mix different windshield
washer concentrates or antifreeze agents. Ob‐
serve the information and mixing ratios pro‐
vided on the containers.◀
Overview
The washer fluid reservoir is located in the en‐
gine compartment.
Malfunction
The use of undiluted windshield washer con‐
centrate or alcohol-based antifreeze can lead
to incorrect readings at temperatures below
+ 5 ℉/- 15 ℃.
Controls
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