How to add brake fluid, check level. 2004-2013 BMW 3-Series

How to add brake fluid, check level. 2004-2013 BMW  3-Series

In this guide, you will find instructions on how to add brake fluid on 2004-2013 BMW 3-Series. Common symptoms that you need brake fluid include the brake warning light staying on in your BMW. 

Even though the handbrake has been released. Stop immediately. Check level and add brake fluid type noted on the cap of your BMW 3-Series brake fluid reservoir or owners manual.


  • Low Brake Fluid Warning
  • Red Brake Light On
  • ABS Warning

What you will need


Open Hood

Open the hood of your BMW 3-Series.

how to add break brake fluid on BMW  3-Series 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013


Locate brake fluid reservoir

Locate the brake fluid reservoir on your BMW 3-Series. Clean the brake fluid reservoir with a clean cloth.

diy guide add brake fluid 316i, 318i, 320i, 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335is, 335xi, 320d, 320xd, 325d, 330d, 330xd, 335d, M3, and M3 GTS


Determine Low/Max level

Check brake fluid level on BMW 3-Series. Determine current brake fluid level by looking at the maximum and minimum marks on the side of the reservoir.

How to Add brake fluid to BMW  3-Series 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013


Add Brake Fluid

Add the recommended brake fluid. Fill your 3-Series with brake fluid until you just below the MAX/Full mark. Do not fill the brake reservoir with brake fluid all the way to the top.

These instructions apply to 2004-2013 BMW 3-Series models such as 316i, 318i, 320i, 323i, 325xi, 328i, 330i, 335i, 320d, 325d, and M3. Below you will find step by step directions and video clips to help you add brake fluid to your 3-Series.


  • Do not drive a vehicle that has the brake light on. 
  • If the brake fluid level is below the minimum or MIN mark on the brake fluid reservoir, do no drive the car. Check the system for any major brake fluid leaks. Driving with no brake fluid is extremely dangerous. Your car may not stop when you apply the brakes.
  • Brake fluid is poisonous and must be carefully marked and stored in a safe place, out of the reach of children and animals.

Things to keep in mind when adding brake fluid

  • Clean the brake fluid cap with a clean cloth before you remove the cap.
  • Do not allow the brake fluid to drop on your car's paint. Brake fluid can damage car paint. 
  • Only use the recommended brake fluid type which is printed on top of the brake fluid cap. 
  • Wash your hands as soon as possible if you get brake fluid on them.
  • If the brake fluid level is low, the BRAKE and ABS (Anti-lock Braking System) warning light may turn on.
  • It is recommended that you check the brake fluid level once a month.
  • When the ignition is on, the brake light is initially ON if you have set the parking/emergency brakes. The brake warning should turn off once the parking brake is released and you start to drive. 
  • If the LOW BRAKE FLUID warning or the BRAKE LIGHT stay on as you are driving stop the vehicle immediately and check the brake fluid level.




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