11 61 730 BMW Leak Test For Intake System (N54): Notes
WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Overpressure and vacuum lines are identified by the size of the seals and color-coded Red and Blue and must not be mixed up with each other.
Build up pressure with Blue color.
Generate vacuum pressure with Red color.
Mixing up the functions will result in damage to the engine.
Build up pressure with Blue color.
Generate vacuum pressure with Red color.
Mixing up the functions will result in damage to the engine.
Necessary preliminary tasks:
- Release upper section of intake air filter.
- Prepare BMW diagnosis system.
- Start diagnosis program.
- Drive
- Engine electronics
- Air supply
- Boost pressure control
or Perception
Lack of power
Note on ordering:
- Workshop equipment.
- Workshop planning.
- Workshop equipment catalogue.
- Measuring and test equipment.
- No. 81 29 0 426 464