Water injection system water level too low.
BMW technical service bulletin B122216 for 2015-2018 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. Corrosion in the water injection valve block.
Owners of these vehicles have filed 15 complaints in the engine category.
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