Safety instructions for handling tetrafluorethane refrigerant R134a (330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)

Refrigerant circuit is under high pressure! Work on the refrigerant circuit may only be carried out by experts!

Draw off refrigerant without fail BEFORE  all repair work on the refrigerant circuit.

The refrigerant circuit is depressurised AFTER suction.

• The pressure gauge on the A/C service unit must be checked for the actual pressure drop prior to repair work.

It is absolutely essential to read and observe the relevant operating instructions for the A/C service unit used!

Protective measures/rules of conduct: 

• Wear safety goggles
• Wear oil-resistant hand protection
• Do not smoke!
• Observe country-specific safety regulations.

First aid measures: 

• Eye contact:  In the event of contact with the loops, rinse immediately with plenty of running water and consult an ophthalmologist.
• Skin contact:  In the event of contact with skin, remove affected clothing immediately and rinse with plenty of water.
• After inhalation:  If refrigerant vapors are inhaled in greater concentrations, remove the person affected to an area of fresh air and keep them under supervision. Call for a doctor. If breathing problems are experienced, breathe additional oxygen. If the person affected is breathing with difficulty or has stopped breathing, incline the person's head at the neck and administer the kiss of immobilization period.