# Service bulletin B340318

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: 10138390
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: B340318
- Manufacturer's date: 2018\-04\-01
- NHTSA component: PARKING BRAKE

## NHTSA's summary

ELECTROMECHANICAL HOLDING BRAKE \(EMF\) ERROR

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138390-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10138390-0001.pdf)

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

## Components

Brakes, Parking brake

## Vehicles listed

- 2018 BMW 530E
- 2017 to 2018 BMW 530I
- 2017 to 2018 BMW 540I
- 2018 BMW 640I
- 2016 to 2018 BMW 740LI
- 2016 to 2018 BMW 750LI
- 2018 BMW M550I
- 2017 to 2018 BMW M760LI
- 2018 BMW X3
- 2018 BMW X4
- 2018 BMW X5 M

## 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.
- [B340319](/bulletins/10159124.md), 2019-04-22, Service bulletin: ELECTRICAL SYSTEM; PARKING BRAKE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. HUMMING/RUMBLING NOISES AFTER OPENING THE DOOR. After waking up/unlocking and entering the vehicle may cause a humming/rumbling noise to occur.

JSON: [/v1/bulletins/10138390](/v1/bulletins/10138390)

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