How to charge Air Conditioner BMW 5-Series 2004-2010

In this guide, you will find instructions on how to recharge BMW 5-Series Air Conditioner (AC) with R134a refrigerant (freon).

This guide applies to 5-series from 2004 to 2010 applicable to models such as 525i, 530i, 535i, 545i, M5 520d 530d 535d. Follow the step-by-step instructions below and make sure to watch the how-to video as well.  

If your BMW 5-Series blows hot air but no cold air, it may be an indication that the A/C system is low on refrigerant.

Before you start

  • Instructions that are provided with your A/C recharge kit supersede these instructions.
  • A/C pressure will be in the high range when the engine is turned off. This is normal.
  • If you A/C works for a few days then stops blowing cold air, it is usually an indication of a large refrigerant leak. 

What you will need


Start Engine

Start the engine and let it idle.charge bmw e60 ac with freon refrigerant

Turn on A/C

Ensure your vehicle is in Park. Start the engine while keeping the vehicle in park. If your BMW has keyless start feature with a START/STOP button, press START to start the engine.
With the engine running turn on the air conditioner system on your car. Set the temperature to MIN and blower fan to MAX. Make sure the A/C button is pressed or is switched ON. turn on bmw 525i 5 series ac to charge it

Open Hood

Pull the hood release under the dashboard. Secure the hood in the up position. Ensure the hood does not fall down on you while you are charging your BMW 5-Series with hood charge ac bmw 5 series e60 e61 2004 2005 2006 2007 2008 2009 2010 
 Watch a video on how to open BMW hood. 

Locate A/C Port

Locate the low-pressure air conditioner charging port. Remove the cap from the A/C charging port.location of ac port bmw 5 series 525 530 545 520 535 e60 m5

Connect A/C Recharge Kit

Connect the a/c recharge kit to the low-pressure line. With the engine running take a reading and ensure the refrigerant pressure is low zone. 
Connect the A/C recharge kit, start the car. With the A/C recharge kit connected read the gauge. Continue to the next if the A/C pressure reading is low.
connect ac bmw 5 series

Charge A/C

With the engine running, recharge the A/C system until the reading falls within the 45 and 55 psi. Make sure to follow the instructions on the back of the A/C recharge kit carefully. 

Check A/C System

Once you reach the recommended pressure level stop adding refrigerant to your BMW 5-Series AC. Overcharging a BMW 5-Series A/C with refrigerant does not make the air blow any colder and can cause damage to the air conditioner system. 
Even though other problems can cause a BMW to stop blowing cold air, low refrigerant due to is often the problem. Recharging BMW 5-Series AC system with freon will sometimes fix the problem. The good news is that you can recharge a BMW 5-Series A/C with freon yourself.


The most common problem is vent actuator in vehicles with dual zone A/C. They can get stuck in one position and do not switch when you change the temperature. In vehicles that use duo-valves they can also get stuck in which case half of the car blows hot air and the other blows cold air.

The cooling fan for the condenser may not be working.

The blower fan may be defective.

AC may be low on freon. Also check low-pressure switch. If defective it can prevent the compressor from operating.

Additional Resources

  1. A/C Recharge - - Forums
  2. How to Add Refrigerant to a 2004-2010 BMW 525i CarCareKiosk


By YOUCANIC on May 20, 2019


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