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Service bulletin B340319

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10159124
Published by NHTSA2019-04-22
Manufacturer's numberB340319
Manufacturer's date2019-03-01
NHTSA componentELECTRICAL SYSTEM; PARKING BRAKE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

NHTSA's summary

HUMMING/RUMBLING NOISES AFTER OPENING THE DOOR. After waking up/unlocking and entering the vehicle may cause a humming/rumbling noise to occur.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Electrical system, Anti-lock brakes, Parking brake, Wheel speed sensor

Vehicles listed
BMW 530E2018
BMW 530I2017, 2018
BMW 540D2018
BMW 540I2017
BMW 640I2018
BMW M550I2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B5130162020-04-20. Service bulletin. 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.
B3403182018-05-21. Service bulletin. ELECTROMECHANICAL HOLDING BRAKE (EMF) ERROR