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SIB 12 17 16: Thermostat warranty extension
Thermostat warranty extension on N20/N55 engines (2014–2017); BMW extended the warranty on this part for eligible cars.
BMW service bulletin · NHTSA ID 10214952 · Jun 2017 · also written SI B12 17 16, B121716
What it covers
A warranty extension means BMW will repair the listed part at no cost on eligible cars within the stated age and mileage. Check eligibility for your VIN with a BMW center before paying for this repair.
The engine coolant thermostat component-specific limited warranty extension to 10 years/120,000
Details
| Bulletin number | SIB 12 17 16 Also written: SI B12 17 16, B121716, 12 17 16, SIB-12-17-16, SI B121716 |
|---|---|
| NHTSA ID | 10146880, 10146710, 10214952 (revisions) |
| Document IDs filed | B121716, SIB121716 |
| Type | Service bulletin |
| Date | (first filed Oct 2016) |
| Models | 328i, M2 |
| Model years | 2014–2017 |
| Chassis | F30, F31, F34, F87 |
| Engines | N20, N55 |
| Component (NHTSA) | Engine And Engine Cooling Power Train |
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.