Checking/Topping Off Fluid Level In Hydraulic System: GS6S37BZ/GS6S53BZ/SMG
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 BMW 545i, 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 545i, and 2004 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.
- Method 1: Switch on ignition. Bleed hydraulic system. See BLEEDING . Open filler screw (1). Fill expansion tank up to MAX marking with DOT 4 brake fluid. See Fig 1 .
- Method 2: Depressurize hydraulic system in accordance with BMW diagnosis system. Open filler screw (1). Add BMW DOT 4 hydraulic fluid up to lower edge of filler cap. See Fig 1 .