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SIB 12 13 16: Thermostat check engine light
Thermostat check engine light on N63/N74 engines (2016–2017); BMW explains the cause and the approved repair.
BMW service bulletin · NHTSA ID 10154821 · Feb 2018 · also written SI B12 13 16, B121316
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.
N63R MAP THERMOSTAT FAULTS. The Service Engine Soon light is on with one or more of the following fault codes 1D2009; 10921B; 1D2008; 1D2401; 10921A; 1FB201; 1FB301; 1D2404; 1D2402.
Details
| Bulletin number | SIB 12 13 16 Also written: SI B12 13 16, B121316, 12 13 16, SIB-12-13-16, SI B121316 |
|---|---|
| NHTSA ID | 10151305, 10147533, 10149231, 10146709, 10154821 (revisions) |
| Document IDs filed | B121316 |
| Type | Service bulletin |
| Date | (first filed May 2016) |
| Models | 750LI, M760i |
| Model years | 2016–2017 |
| Chassis | G11, G12 |
| Engines | N63, N74 |
| Component (NHTSA) | Electrical System 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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Before you pay: check your VIN for recalls
Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.
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.