BMW X3 (F25) Owners Manual: Coolant

• Vehicle features and options
• Coolant level

Vehicle features and options

This chapter describes all standard, country-specific and optional features offered with the series. It also describes features that are not necessarily available in your car, e. g., due to the selected options or country versions. This also applies to safety-related functions and systems. The respectively applicable country provisions must be observed when using the respective features and systems.

Hints

Danger of burns from hot engine

Do not open the cooling system while the engine is hot; otherwise, esliding coolant may cause burns.

Suitable additives

Only use suitable additives; otherwise, engine damage may occur. The additives are harmful to your health.

Coolant consists of water and additives.

Not all commercially available additives are suitable for the vehicle. Information about the suitable additives are available from the service center.

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.