BMW 128I 1999–2021 — technical service bulletin
Bulletin B340414 · NHTSA communication 10194296 · issued Apr 1, 2021
Technical service bulletin
communication type
Steering
component
1999–2021
model years
60
vehicle entries
Official 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.
Vehicles covered
- 2008 BMW 128I
- 2010 BMW 128I
- 2012 BMW 128I
- 2009 BMW 128I US
- 2011 BMW 128I US
- 2008 BMW 135I
- 2009 BMW 135I
- 2010 BMW 135I
- 2012 BMW 135I
- 2013 BMW 135I
- 2007 BMW 135I Coupe
- 2011 BMW 135I US
- 2011 BMW 1 Series
- 2011 BMW 1 Series M
- 2000 BMW 323CI
- 1999 BMW 323I
- 2000 BMW 323I
- 2000 BMW 323IT
- 2001 BMW 325CI
- 2002 BMW 325CI
- 2003 BMW 325CI
- 2004 BMW 325CI
- 2005 BMW 325CI
- 2006 BMW 325CI
- 2001 BMW 325I
- 2002 BMW 325I
- 2003 BMW 325I
- 2004 BMW 325I
- 2005 BMW 325I
- 2006 BMW 325I
- 2001 BMW 325IT
- 2002 BMW 325IT
- 2003 BMW 325IT
- 2004 BMW 325IT
- 2005 BMW 325IT
- 2001 BMW 325XI
- 2002 BMW 325XI
- 2003 BMW 325XI
- 2004 BMW 325XI
- 2005 BMW 325XI
- 2006 BMW 325XI
- 2001 BMW 325XIT
- 2002 BMW 325XIT
- 2003 BMW 325XIT
- 2004 BMW 325XIT
- 2005 BMW 325XIT
- 2007 BMW 328
- 2008 BMW 328
- 2009 BMW 328
- 2010 BMW 328
- 2000 BMW 328CI
- 1999 BMW 328I
- 2000 BMW 328I
- 2007 BMW 328I
- 2008 BMW 328I
- 2009 BMW 328I
- 2010 BMW 328I
- 2011 BMW 328I
- 2012 BMW 328I
- 2013 BMW 328I
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.