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Service bulletin B340414

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 id10145331
Published by NHTSA2018-10-09
Manufacturer's numberB340414
Manufacturer's date2018-07-01
NHTSA componentSERVICE BRAKES

NHTSA's summary

Diagnosis of Compound Brake System Complaints in M Vehicles:

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

Vehicles listed
BMW 1 SERIES M2011
BMW M ROADSTER2006 to 2008
BMW M22016, 2017, 2018
BMW M32001, 2002, 2003, 2004, 2005, 2006
BMW M32008, 2009, 2010
BMW M32012, 2013
BMW M32015, 2016, 2017, 2018
BMW M3 US2011
BMW M42015, 2016, 2017, 2018
BMW M52005
BMW M52006, 2007, 2008, 2009, 2010
BMW M52012
BMW M52013, 2014, 2015, 2016
BMW M52018
BMW M62006, 2007, 2008, 2009, 2010
BMW M62012, 2013, 2014, 2015, 2016, 2017, 2018
BMW X52015, 2016, 2017
BMW X5 M2018
BMW X62015, 2016, 2017
BMW X6 M2018

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

Recalls for the same vehicles and component
01V2450002001-07-31. PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B0649252025-10-10. Other. Brake Disc Return
B0647252025-10-10. Other. Protection Plate Return
B3409212025-01-23. Service bulletin. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
B3407142023-11-01. Service bulletin. Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
B3409212023-03-20. Service bulletin. A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
SIM0106172022-07-05. Service bulletin. Visual Inspection of Brake discs/Rotors for new car deliveries
B3410192021-11-08. Service bulletin. Inform the customer during a consultation that the M Compound (standard equipment) and M Carbon Ceramic (optional) brakes are high-performance brake systems which are designed for sporty, dynamic driving styles. As a side effect of the highest possible brake performance, customers are likely to hear noises due to the extremely resilient materials. In the same conversation, inform the customer that his/her braking performance can help ensure that the noises do not occur or disappear quickly.
B3410192021-09-07. Service bulletin. Inform the customer during a consultation that the M Compound (standard equipment) and M Carbon Ceramic (optional) brakes are high-performance brake systems which are designed for sporty, dynamic driving styles. As a side effect of the highest possible brake performance, customers are likely to hear noises due to the extremely resilient materials In the same conversation, inform the customer that his/her braking performance can help ensure that the noises do not occur or disappear quickly.
B3601212021-05-24. Service bulletin. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.
B3404142021-05-24. Service bulletin. Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal stresses during rapid heating and cooling of the brake discs. Braking from high speed with cold brake components (less than 212 degrees F) increases the likelihood of cracks to form.