BMW M3 SEDAN Owner's Manual page 348

MOBILITY
Coolant level
General information
Depending on the motorization, there are up to
two coolant reservoirs in the engine compart‐
ment. Check and top up the coolant levels on a
regular basis.
The coolant level is indicated using minimum
and maximum markings in the filler neck of the
coolant reservoir.
Additional information:
For an overview, refer to page 340.
Checking the coolant level
1. Let the engine cool.
2. Opening the hood.
Opening, refer to page 341.
3. Turn the lid of the coolant reservoir slightly
counterclockwise to allow any excess pres‐
sure to dissipate, then open it.
4. Open the coolant reservoir lid.
5. The coolant level is correct if it lies between
the minimum and maximum marks in the filler
neck.
6. Close the lid.
Adding coolant
1. Let the engine cool.
2. Opening the hood.
Opening, refer to page 341.
348
Operating materials
Online Edition for Part no. 01405A1E4B0 - X/20
3. Turn the lid of the coolant reservoir slightly
counterclockwise to allow any excess pres‐
sure to dissipate, then open it.
4. Open the coolant reservoir lid.
5. If the coolant is low, slowly add coolant up to
the specified level; do not overfill.
6. Close the lid.
7. Have the cause of the coolant loss eliminated
as soon as possible.
Disposal
Comply with the relevant environmental
protection regulations when disposing of
coolant and coolant additives.
Washer fluid
General information
All washer nozzles are supplied from one reser‐
voir.
Use a mixture of tap water and windshield
washer concentrate. If desired, a windshield
washer concentrate containing antifreeze can be
used.
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. Follow the instruc‐
tions on the containers. Keep antifreeze away
from ignition sources. Do not refill operating
materials into different bottles. Store operating
materials out of reach of children.