Inspections I and III
Note: Only correct the coolant level when the engine is cold.
- Lift the seat at the front.
![](https://motoinstruction.ru/img/bmw/21/127072.jpg)
- Open the left-hand side case.
Caution: Anti-freeze protection must be guaranteed to at least -30°C (-22°F). Use only nitrite-free long-term antifreeze and corrosion inhibitor.
Do not top up expansion tank past the MAX mark (arrow).
- Remove the cap from the expansion tank (1).
- Check antifreeze concentration in the expansion tank, top up antifreeze if necessary.
Note: Top up with coolant in a mix ratio of 50 % antifreeze, 50 % water.
- Check coolant level in the expansion tank, top up coolant if necessary.