BMW X3 Owners Manual: Coolant level

General information

Depending on the engine installation, the coolant reservoir is located on the right side or the left side of the engine compartment.

Checking

1. Let the engine cool.

2. Turn the lid of the coolant reservoir slightly counterclockwise to allow any excess pressure to dissipate, then open it.

3. Open the coolant reservoir lid.

4. The coolant level is correct if it lies between the minimum and maximum marks in the filler neck.

Adding

1. Let the engine cool.

2. Turn the lid of the coolant reservoir slightly counterclockwise to allow any excess pressure to dissipate, then open it.

3. If the coolant is low, slowly add coolant up to the specified level; do not overfill.

4. Turn the lid until there is an audible click.

The arrows on the coolant reservoir and the lid must point towards one another.

5. 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.