# Service bulletin B340508

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: 10138391
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: B340508
- Manufacturer's date: 2018\-04\-01
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

## NHTSA's summary

BRAKE ROTOR MINIMUM THICKNESS: BMW brake discs/rotors are stamped with a Minimum Thickness.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138391-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138391-0001.pdf)

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

## Components

Brakes

## Vehicles listed

- BMW BMW

JSON: [/v1/bulletins/10138391](/v1/bulletins/10138391)

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