April 1, 2021 Service bulletin

Diagnosis of Compound Brake System Complaints in M Vehicles: 1. Visible cracks are caused by high thermal...

BMW technical service bulletin B340414 for 2015-2017, 2020-2021 BMW X5, 1999-2000, 2007-2013 BMW 328I and 2020-2021 BMW X3 and others.

Bulletin number: B340414
Component: Service brakes, air: disc
Summary: 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.

Owners of these vehicles have filed 369 complaints in the brakes category.

Vehicles covered

BMW X5 2015-2017, 2020-2021 2015 2016 2017 2020 2021
BMW 328I 1999-2000, 2007-2013 2000 2007 2008 2009 2010 2011 2012 2013
BMW X3 2020-2021 2020 2021
BMW 325I 2001-2006 2001 2002 2003 2004 2005 2006
BMW Z4 2003-2008 2003 2004 2005 2006 2007 2008
BMW 528I 2008-2016 2009 2010 2011 2012 2013 2014 2015 2016
BMW 330I 2001-2006 2001 2002 2003 2004 2005 2006
BMW 335I 2007-2013 2007 2008 2009 2010 2011 2012 2013
BMW 530I 2004-2007 2004 2005 2006 2007
BMW 323I 1999-2000 1999 2000
BMW 535I 2008-2016 2009 2010 2011 2012 2013 2014 2015 2016
BMW 328XI 2007-2010 2007 2008 2009 2010
BMW M3 2001-2005, 2008-2013, 2015-2018 2010 2011 2012 2013 2015 2016 2017 2018
BMW 525I 2004-2007 2004 2005 2006 2007
BMW 325XI 2001-2006 2001 2002 2003 2004 2005 2006
BMW 330CI 2001-2006 2001 2002 2003 2004 2005 2006
BMW 550I 2006-2016 2009 2010 2011 2012 2013 2014 2015 2016
BMW 325CI 2001-2006 2001 2002 2003 2004 2005 2006
BMW X6 2021 2021
BMW 330XI 2001-2006 2001 2002 2003 2004 2005 2006
BMW 128I 2008, 2010, 2012 2008 2010 2012
BMW 530XI 2006-2007 2006 2007
BMW 335XI 2007-2010 2007 2008 2009 2010
BMW 135I 2008-2010, 2012-2013 2008 2009 2010 2012 2013
BMW 545I 2004-2005 2004 2005
BMW M5 2006-2010, 2013-2016, 2018-2021 2013 2014 2015 2016 2018 2019 2020 2021
BMW 650I 2006-2010, 2012-2018 2010 2012 2013 2014 2015 2016 2017 2018
BMW 1 Series 2011 2011
BMW X4 2020-2021 2020 2021
BMW 328 2007-2010 2007 2008 2009 2010
BMW 535D 2014-2016 2014 2015 2016
BMW R 1200 GS Adventure 2017 2017
BMW M Roadster 2006-2008 2006 2007 2008
BMW 335 2007-2010 2007 2008 2009 2010
BMW 525XI 2006-2007 2006 2007
BMW M4 2015-2020 2015 2016 2017 2018 2019 2020
BMW 645CI 2004-2005 2004 2005
BMW 335D 2009-2011 2009 2010 2011
BMW 535I US 2011 2011
BMW 323CI 2000 2000

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