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Service bulletin B340114

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 id10147671
Published by NHTSA2018-11-13
Manufacturer's numberB340114
Manufacturer's date2015-03-01
NHTSA componentSERVICE BRAKES

NHTSA's summary

Vibration When Braking: Diagnosing and Repairing. INFORMATION This Service Information bulletin provides tips for diagnosing and repairing vibration when braking. Note: Brake disc runout is not an acceptable measurement when diagnosing brake vibrations. Brake disc thickness variation measurement https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/218...4/6/2015 Page 2 of 2 Refer to the attached troubleshooting tree when diagnosing vibration complaints. ATTACHMENTS View PDF attachment B340114_Troubletree. View PDF attachment B340114_Technician_Rotor_Measurement. [ Copyright (c)2015 BMW of North America, Inc. ] https://www.bmwtis.net/tiscode/cgi-bin/bulletin.aspx?sie_path=/tsb/bulletins/htm_store/218...4/6/2015

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

Trouble codes named

B3401

Vehicles listed
BMW BMW

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