Faults for turbocharger electric wastegate stored in the dme.
BMW technical service bulletin B120120 for 2020 BMW X3 and 2020 BMW X4.
- Bulletin number
- B120120
- Component
- Engine and engine cooling: engine: other fuel types: turbo/supercharger
- Summary
- FAULTS FOR TURBOCHARGER ELECTRIC WASTEGATE STORED IN THE DME. The engine malfunction warning (MIL) is illuminated and one of the following fault codes is stored in the DME. 123518 - electrical wastegate valve 2 wastegate valve: stiff movement And/or 120408 - charging pressure control: Switch-off as a secondary reaction CAUSE The DME has an adaptation error when calculating the setpoint values of the two electric wastegates.
Owners of these vehicles have filed 28 complaints in the engine category.
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