# Service bulletin M120420

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: 10174327
- Published by NHTSA: 2020\-04\-27
- Manufacturer's number: M120420
- Manufacturer's date: 2020\-04\-01
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT

## NHTSA's summary

SERVICE ACTION: PROGRAM THE DIGITAL MOTOR ELECTRONICS \(DME\) \- B36C: In certain situations the exhaust valve seat inserts may become overheated when using low quality fuel. If overheated the valve seat insert may become distorted and wear at an increased rate. Unfavorable software calibration for low quality fuel engine operation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174327-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10174327-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2016 to 2020 MINI COOPER
- 2015 to 2016 MINI COOPER S
- 2019 to 2020 MINI COOPER S

JSON: [/v1/bulletins/10174327](/v1/bulletins/10174327)

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