High-Pressure Test
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, and 2005 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Perform test on both brake circuits, front and rear.
- Unscrew vent plug, connect pressure tester and vent. See Figure.
- Load brake pedal with a force of approximately 112 lbs. (500 N), and block pedal with pedal support.
- After 2 minutes, pressure must not drop by more than 8 percent.
- Perform low-pressure test. See Low-Pressure Test .