1 Series 135is (N54) Coupe
11 61 730
Checking diagnosis unit for overpressure and
vacuum pressure
Important!
Overpressure and vacuum lines are identified by the size of
the seals and colour-coded Red and Blue and must not be
mixed up with each other.
Build up pressure with Blue colour.
Generate vacuum pressure with Red colour.
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.
1.
Drive
2.
Engine electronics
3
Air supply
4.
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
Pressure measurement:
Prepare BMW diagnosis system on diagnosis unit.
1.
Screw in pressure sensor.
2.
Overpressure connection (Blue).
3.
Connect stimuli cables (3) to positive and negative.
4.
Connect 12V battery cables (4) to vehicle battery positive and
negative.
RA Checking diagnosis unit for overpressure and vacuum pressure
BMW AG - TIS
18.01.2013 06:30
Issue status (12/2007) Valid only until next DVD is issued
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