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SIB 12 22 16: Water injection system low water level warning

Water injection system low water level warning on S55 engines (2015–2018); BMW gives an inspection and repair procedure.

BMW service bulletin · NHTSA ID 10152658 · Nov 2018 · also written SI B12 22 16, B122216

What it covers

A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.

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.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 12 22 16
Also written: SI B12 22 16, B122216, 12 22 16, SIB-12-22-16, SI B122216
NHTSA ID10146815, 10135027, 10152658 (revisions)
Document IDs filedB122216
TypeService bulletin
Date (first filed Sep 2016)
ModelsM4
Model years2015–2018
ChassisF82, F83
EnginesS55
Component (NHTSA)Engine
Engine And Engine Cooling

Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.

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Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.

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