BMW 7 Series: Coolant
General information
Coolant consists of water and additives.
Not all commercially available additives are suitable for the vehicle. Do not mix additives of different colors. Observe the water - additive mixing ratio of 50:50. Information about suitable additives is available from a dealer's service center or another qualified service center or repair shop.
Safety information
Warning
With the engine hot and the cooling system open, coolant can escape and lead to scalding.
There is a risk of injury. Only open the cooling system with the engine cooled down.
Warning
Additives are harmful and incorrect additives can damage the engine. There is a risk of injury and risk of damage to property. Do not allow additives to come into contact with skin, eyes or articles of clothing. Use suitable additives only.
Coolant level
General information
Vehicles with gasoline engine feature two cooling circuits. Always check the coolant levels of both coolant reservoirs and refill as needed.
The coolant level is indicated using minimum and maximum markings in the filler neck of the coolant reservoir.
Depending on the engine installation, the coolant reservoir is located on the right side or the left side of the engine compartment.
Additional information: For an overview
Checking the coolant level
- Let the engine cool.
- Open the hood.
Opening
- Turn the lid of the coolant reservoir slightly counterclockwise to allow any excess pressure to dissipate, then open it.
- Open the coolant reservoir lid.
- The coolant level is correct if it lies between the minimum and maximum marks in the filler neck.
.gif)
- Close the lid.
Adding coolant
- Let the engine cool.
- Opening the hood.
Opening
- Turn the lid of the coolant reservoir slightly counterclockwise to allow any excess pressure to dissipate, then open it.
- Open the coolant reservoir lid.
- If the coolant is low, slowly add coolant up to the specified level; do not overfill.
- Close the lid.
- Have the cause of the coolant loss eliminated as soon as possible.
Disposal
.gif)
Comply with the relevant
environmental
protection regulations when disposing of
coolant and coolant additives.
READ NEXT:
Washer fluid
General information
All washer nozzles are supplied from one reservoir.
Use a mixture of tap water and windshield
washer concentrate. If desired, a windshield washer concentrate containing
antifreez
BMW maintenance system
Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily ava
SEE MORE:
Replacing Right Control Sensor (N63)
Notes
WARNING: Risk of burning!
Only perform this work after engine has cooled down.
Necessary preliminary work
Check function of DME control unit
Switch off ignition
Remove AIR FILTER HOUSING
Unlock plug connection and detach.
Unclip control sensor cable from holder.
Release control sensor w
Vehicle features and
options
This chapter describes all standard, country-specific
and optional features offered with the series.
It also describes features and functions that are
not necessarily available in your vehicle, e.g., due
to the selected options or country versions. This
also applies to safety-related functions and
