11 65 580 Replacing Vacuum Unit (Wastegate Valve) (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.
Check ease of movement between turnbuckle and pin of adjusting lever (ensure rectangularity).
Build up pressure with Blue color.
Generate vacuum pressure with Red color.
Check ease of movement between turnbuckle and pin of adjusting lever (ensure rectangularity).
Note on ordering:
- Workshop equipment
- Workshop planning
- Workshop equipment catalogue
- Measuring and test equipment
- No. 81 29 0 426 464
Necessary preliminary tasks:
- Prepare BMW diagnosis system
- Start diagnosis program
Perception:
- Noises at turbocharger (clanking)
or Fault memory entry:
- Drive
- Engine electronics
- Air supply
- Boost pressure control
- Remove both exhaust turbochargers .
Release locking clip (2).
Disengage linkage of vacuum unit (wastegate valve).