Influence of the swirl flaps
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
A malfunction on the part of the swirl flaps has only a slight effect on the air mass system test.
However, a malfunction of the swirl flaps can lead to fault entries with regard to plausibility of the air mass.
When driving, a malfunction of the swirl flaps has the following effects:
- Swirl flaps stick in closed position: lack of power at high engine speeds
- Swirl flaps stick in closed position: deterioration of exhaust emissions