BMW 1 Series M 2009–2011 — technical service bulletin
Bulletin 651211 · NHTSA communication 10148377 · issued Aug 1, 2014
Technical service bulletin
communication type
Equipment
component
2009–2011
model years
20
vehicle entries
Official summary
Replacement HiFi Amplifier Is Not Recognized by ISTA and ISTA/P. INFORMATION When installing the new style HiFi amplifier (replacement part), the following conversion must be performed in ISTA/P: Conversion replacement HiFi loudspeaker system Note: This conversion option is only available in ISTA/P prior to the first new style HiFi amplifier installation in the affected vehicle.
Vehicles covered
- 2011 BMW 1 Series M
- 2011 BMW 528I
- 2011 BMW 535I
- 2010 BMW 535I Gran Turismo
- 2011 BMW 535I Gran Turismo
- 2011 BMW 535I US
- 2011 BMW 550I
- 2010 BMW 550I Gran Turismo
- 2011 BMW 550I Gran Turismo
- 2011 BMW 740I US
- 2011 BMW 740LI
- 2009 BMW 750I
- 2010 BMW 750I
- 2011 BMW 750I
- 2009 BMW 750LI
- 2010 BMW 750LI
- 2011 BMW 750LI
- 2010 BMW 760LI
- 2011 BMW 760LI
- 2011 BMW Activehybrid 7
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.