BMW Z4 Roadster Owner's Handbook Manual page 299

5. The coolant level is correct if it is between
the Min. and Max. marks in the filler neck.
6. Tighten cap.
Topping up
1. Allow the engine to cool down.
2. Open the bonnet, see page 292.
3. Turn cap on coolant tank slightly anticlock‐
wise, then allow the pressure to escape.
4. Open cap on coolant tank.
5. If necessary, slowly top up to the correct
level; do not overfill.
6. Tighten cap.
7. Have the cause of coolant loss rectified as
soon as possible.
Disposal
When disposing of coolant and coolant
additives, comply with the relevant envi‐
ronmental protection regulations.
Washer fluid
General
All washer jets are supplied from one tank.
Use a mixture of tap water and screenwash con‐
centrate for the windscreen washer system, if
necessary with the addition of antifreeze.
Recommended minimum fill level: 1 litre,
1.7 Imp. pints.
Service products
Online Edition for Part no. xxx - X/18
Safety notes
WARNING
Some antifreezes can contain toxic substances,
and are flammable. There is a risk of fire and fa‐
tal injury. Please comply with the instructions
on the containers. Keep antifreezes away from
sources of combustion. Do not pour service
products into other bottles. Keep service prod‐
ucts out of the reach of children.
WARNING
Washer fluid can ignite on contact with hot
parts of the engine and catch fire. There is a
danger of injury or damage to property. Only
top up washer fluid when the engine has
cooled down. Then fully close the cap of the
washer fluid reservoir.
NOTE
Additives containing silicone added to the
washer fluid for their water beading effect on
the windows may damage the washer system.
There is a danger of damage to property. Do
not add any additives containing silicone to the
washer fluid.
NOTE
Mixing different screenwash concentrates or
antifreezes can result in damage to the washer
system. There is a danger of damage to prop‐
erty. Do not mix different screenwash concen‐
trates or antifreezes. Please comply with the in‐
structions and mixing ratios stated on the
containers.
MOBILITY
299