The BMW 3 Series throttle does not rebound.

The fault code of BMW 3 Series 2889 shows that the throttle of BMW 3 Series engine is caused by excessive carbon deposition. Cleaning the throttle of BMW 3 Series engine can eliminate this problem. The specific operation steps of cleaning the throttle of BMW 3 Series engine are as follows:

1. Unscrew the fixing screw in front of the intake pipe of BMW 3 Series.

2. Unscrew the fixing screw behind the intake pipe of BMW 3 Series.

Third, remove the entire BMW 3 Series filter.

Fourth, the entire throttle inlet of BMW 3 Series is exposed and ready for cleaning.

5. Spray the accelerator cleaner into the BMW 3 Series accelerator and spray it several times.

6. Install the BMW 3 Series filter back to complete the operation.