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Checking brake fluid BMW 6-Series 2004 - 2009 Petrol 650i

OnDemand step-by-step maintenance & repair BETA

BMW 6-Series 2004 - 2009  | 650i Checking brake fluid

  • time 8 minutes
  • difficulty 3
The brake fluid reservoir is located under the pollen filter. It is not easy to access
First, you will need to remove the pollen filter - undo one clip
Now undo the 13mm retaining bolts
Now unplug the sensor on the body of the pollen filter
Release the second plug on the air filter body
Now you can remove the pollen filter
Check the pollen filter for condition - replace if required
Now you need to remove the plastic undertray beneath the pollen filter
You will need a 13mm socket and a torx-25 to do this
Release this plastic moulding
Now you need to remove the rubber moulding...
...and remove the pollen filter undertray
You can now locate the brake fluid reservoir
Look for the MAX-MIN positions on the side of the translucent body
If the level needs topping up - WEARING GLOVES - carefully open the cap. Have a paper towel ready to catch any drips because brake fluid is corrosive
Now securely replace and tighten the cap
Now replace the pollen filter assembly