BMW 528I 2010–2013 — technical service bulletin
Bulletin 640111 · NHTSA communication 10150125 · issued Mar 1, 2013
Technical service bulletin
communication type
Visibility
component
2010–2013
model years
37
vehicle entries
Official summary
"Whistling Noise Heard from the Center Fresh-Air Vent During Heating. A whistling noise is heard from the center fresh-air vents. The noise can be heard during the warm up phase (3 to 10 mins) after the heating system is first activated, with low outside temperatures and the center vents stratification adjustment wheel is turned to the ""red"" position. Note: This is independent of the air distribution setting, but a lower fan speed is required. CAUSE Unfavorable air flow against the mixing flaps in the upper distribution housing"
Vehicles covered
- 2011 BMW 528I
- 2012 BMW 528I
- 2013 BMW 528I
- 2011 BMW 535I
- 2012 BMW 535I
- 2013 BMW 535I
- 2010 BMW 535I Gran Turismo
- 2011 BMW 535I Gran Turismo
- 2012 BMW 535I Gran Turismo
- 2011 BMW 535I US
- 2011 BMW 550I
- 2012 BMW 550I
- 2013 BMW 550I
- 2010 BMW 550I Gran Turismo
- 2011 BMW 550I Gran Turismo
- 2012 BMW 550I Gran Turismo
- 2012 BMW 740I
- 2013 BMW 740I
- 2011 BMW 740I US
- 2011 BMW 740LI
- 2012 BMW 740LI
- 2013 BMW 740LI
- 2010 BMW 750I
- 2011 BMW 750I
- 2012 BMW 750I
- 2013 BMW 750I
- 2010 BMW 750LI
- 2011 BMW 750LI
- 2012 BMW 750LI
- 2013 BMW 750LI
- 2010 BMW 760LI
- 2011 BMW 760LI
- 2012 BMW 760LI
- 2012 BMW Activehybrid 5
- 2013 BMW Activehybrid 5
- 2013 BMW Activehybrid 7
- 2013 BMW M5
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.