# Service bulletin B120816

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10151304
- Published by NHTSA: 2018\-12\-10
- Manufacturer's number: B120816
- Manufacturer's date: 2016\-05\-01
- NHTSA component: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

## NHTSA's summary

N63R \- Service Engine Soon Light with Oxygen Sensor faults Stored. The Service Engine Soon light is on \(MIL\) with either, or both, of the following oxygen sensor faults stored: 12A308 \- Oxygen sensor after catalytic converter, signal: too slow from rich to lean 12A408 \- Oxygen sensor 2 after catalytic converter, signal: too slow from rich to lean DME software diagnostic function.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10151304-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10151304-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Exhaust and emissions, Catalytic converter

## Vehicles listed

- 2016 BMW 750LI

JSON: [/v1/bulletins/10151304](/v1/bulletins/10151304)

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