""Water injection system - water level too low"".
BMW technical service bulletin B122216 for 2015-2017 BMW M4.
- Bulletin number
- B122216
- Component
- Engine and engine cooling
- Summary
- """WATER INJECTION SYSTEM - WATER LEVEL TOO LOW"". Check Control (CC) Message ""Water level too low, engine performance only available to a limited degree"" is displayed. A fault may be stored in the DME control unit: - 0x124015 - Water injection system, working area: Pressure too low - 0x124013 - Water injection system, reversible flow valve, plausibility: No pressure reduction. Software malfunction in DME control unit."
Owners of these vehicles have filed 14 complaints in the engine category.
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