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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 2052 (Engine - Repair (N63)) >> Intake Manifold >> 11 61 730 Check BMW diagnosis system for excess pressure and vacuum (N63) >> Notes

11 61 730 Check BMW diagnosis system for excess pressure and vacuum (N63): Notes

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IMPORTANT: Excess pressure and vacuum lines are identified by the size of the connection fittings 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.