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SIB 12 01 14: Oxygen sensor failure
Oxygen sensor failure on N20/N54 engines (2012–2016); BMW released a software update.
BMW service bulletin · NHTSA ID 10151074 · Feb 2016 · also written SI B12 01 14, B120114
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.
SI B12 01 14 February 2016 Electrical Systems Technical Service This Service Information bulletin supersedes SI B12 01 14 dated April 2014. Due to an error in the DME (Digital Motor Electronics) software, the required oxygen sensor onboard diagnostics (OBD) is not functioning.
Details
| Bulletin number | SIB 12 01 14 Also written: SI B12 01 14, B120114, 12 01 14, SIB-12-01-14, SI B120114 |
|---|---|
| NHTSA ID | 10148253, 10151074 (revisions) |
| Document IDs filed | 120114, B120114 |
| Type | Service bulletin |
| Date | (first filed Apr 2014) |
| Models | Z4 |
| Model years | 2012–2016 |
| Chassis | E89 |
| Engines | N20, N54 |
| Component (NHTSA) | Electrical System Engine And Engine Cooling Engine And Engine Cooling › Exhaust System › Emission Control Equipment 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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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.