3 Series E92 335i (N54) COUPE
Initial position (1) of wastegate linkage with vacuum pressure.
Wastegate valve closed.
Checking wastegate valve (1) with vacuum pressure:
Wastegate valve must be opened without vacuum pressure.
The wastegate valves must close if a vacuum pressure is applied
at the wastegate sockets (see BMW diagnosis system).
Check shaft on turbine wheel for rotatability.
Follow diagnosis instructions.
RA Checking diagnosis unit for overpressure and vacuum pressure
BMW AG - TIS
18.02.2013 17:45
Issue status (12/2007) Valid only until next DVD is issued
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