54 34 ... Topping up/extracting fluid, checking fluid level

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: No changing of the hydraulic fluid necessary.

The hydraulic fluid does not have to be changed because the system is filled with life-time fluid.
Only the approved hydraulic fluid may be used in the event of leaks.
All hydraulic cylinders must be completely extended.

Checking fluid level:

Fluid level must be within the markings (arrow) when the unit is horizontal.

Fig 1: Locating Fluid Level Mark

Courtesy of BMW OF NORTH AMERICA, INC.

Topping up fluid:

Align hydraulic unit horizontally.

Open oil filler plug.

Pour in required amount of fluid from fluid bottle.

Installation:

Check fluid level in the meantime.

Pour in hydraulic fluid only up to marking on fluid reservoir.

Fig 2: Locating Oil Filler Plug Mark

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Protect components and work area with suitable materials (e.g. cloths).

Extracting fluid:

Open oil filler plug.

Tilt hydraulic unit and let fluid flow out or draw off with a suitable auxiliary apparatus.

Fig 3: Locating Oil Filler Plug Mark

Courtesy of BMW OF NORTH AMERICA, INC.