BMW 328 2007–2018 — technical service bulletin
Bulletin B540907 · NHTSA communication 10150894 · issued Sep 1, 2018
Technical service bulletin
communication type
Structure
component
2007–2018
model years
38
vehicle entries
Official summary
?RETRACTABLE HARDTOP STATUS REQUEST SUPPLEMENT. INFORMATION Documents have been developed showing the known correct statuses for all hall sensors and micro switches used to operate the retractable hard top (RHT). This document is intended to act as a supplement to the diagnostic information available in ISTA. Comparing these statuses to the actual statuses of a vehicle with a functional problem may assist in narrowing down which sensor/switch is contributing to the functional problem. For E93, the status request may be found by connecting the car to ISTA and selecting: Control module functions
Vehicles covered
- 2007 BMW 328
- 2008 BMW 328
- 2009 BMW 328
- 2010 BMW 328
- 2011 BMW 328I
- 2012 BMW 328I
- 2013 BMW 328I
- 2007 BMW 335
- 2008 BMW 335
- 2009 BMW 335
- 2010 BMW 335
- 2011 BMW 335I
- 2012 BMW 335I
- 2013 BMW 335I
- 2011 BMW 335IS
- 2013 BMW 335IS
- 2014 BMW 428I
- 2015 BMW 428I
- 2016 BMW 428I
- 2017 BMW 430I
- 2018 BMW 430I
- 2014 BMW 435I
- 2015 BMW 435I
- 2016 BMW 435I
- 2017 BMW 440I
- 2018 BMW 440I
- 2008 BMW M3
- 2009 BMW M3
- 2010 BMW M3
- 2011 BMW M3
- 2012 BMW M3
- 2013 BMW M3
- 2015 BMW M4
- 2016 BMW M4
- 2017 BMW M4
- 2018 BMW M4
- 2017 BMW R1200 RT Police
- 2018 BMW R Nine T
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.