# Service bulletin B510221

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: 10190850
- Published by NHTSA: 2021\-04\-26
- Manufacturer's number: B510221
- Manufacturer's date: 2021\-03\-01
- NHTSA component: PARKING BRAKE

## NHTSA's summary

AIR DUCT COVER LOOSE OR MISSING: The air duct cover \(fender mounted\) may be loose or missing. Prolonged high\-speed driving can cause movements of the fender, causing the air duct to become loose.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190850-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10190850-9999.pdf)

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

## Components

Brakes, Parking brake

## Vehicles listed

- 2018 to 2021 BMW M5

## Other bulletins for the same vehicles and component

- [B513016](/bulletins/10174015.md), 2020-04-20, Service bulletin: AIR BAGS; PARKING BRAKE. TAILGATE UNINTENTIONALLY OPENS: This Service Information Bulletin \(Revision 4\) replaces SI B51 30 16 dated March 2018. Trunk/tailgate may open when vehicle is locked Trunk/tailgate may open while the vehicle is in motion usually after stopping such as a traffic light etc. Vehicle key trunk/tailgate button may be accidentally pressed thus opening the tailgate.

JSON: [/v1/bulletins/10190850](/v1/bulletins/10190850)

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