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SIB 01 03 21: Oxygen sensor check engine light
Oxygen sensor check engine light on Electric/W20 engines (2014–2021); BMW gives an inspection and repair procedure.
BMW service bulletin · NHTSA ID 10187463 · Jan 2021 · also written SI B01 03 21, B010321
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.
I3 REX FRONT (UPSTREAM) OXYGEN SENSOR: If a vehicle listed above arrives with engine malfunction indicator (Check Engine) warning light on, performing a Vehicle Test.
Details
| Bulletin number | SIB 01 03 21 Also written: SI B01 03 21, B010321, 01 03 21, SIB-01-03-21, SI B010321 |
|---|---|
| NHTSA ID | 10187463 |
| Document IDs filed | B010321 |
| Type | Service bulletin |
| Date | |
| Models | I3 |
| Model years | 2014–2021 |
| Chassis | I01 |
| Engines | Electric, W20 |
| Component (NHTSA) | Electrical System Engine And Engine Cooling Equipment Equipment Adaptive/Mobility |
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.