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Checking brake fluid BMW 5-Series 2003 - 2010 Petrol 523i - 2.5

OnDemand step-by-step maintenance & repair BETA

BMW 5-Series 2003 - 2010  | 523i - 2.5 Checking brake fluid

  • time 20 minutes
  • difficulty 4
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 as brake fluid is corrosive
Now securely replace and tighten cap. Reassemble pollen filter
The brake fluid reservoir is located under pollen filter body
Start by releasing this clip - use a screwdriver to do this
Undo the retaining fixings - use 13mm socket
Undo the bonnet sensor plug
Remove cover
Check pollen filter condition - replace if required
Now release the central clip
Undo the pollen filter body retaining fixings - use a 13 mm socket...
and the singular Torx-25 screw
Remove filter body to gain access to the brake fluid reservoir