BMW 128I 2006–2013 — technical service bulletin
Bulletin 122112 · NHTSA communication 10150365 · issued Dec 1, 2012
Technical service bulletin
communication type
Vehicle Speed Control
component
2006–2013
model years
35
vehicle entries
Official summary
"N51, N52K and N52T: Idle Fluctuation During Engine Warm-up Phase. After a cold engine start, the idle speed may be unstable or start fluctuating up and down slightly while the vehicle is stopped. On vehicles with automatic transmissions, roughness or shuddering may be felt during this warm-up period when diving away slowly in ""D"" or in ""R"" without depressing the accelerator pedal. No relevant errors are stored in the DME fault code memory, and these symptoms are no longer present once the engine is at operating temperature (> 90C). Unfavorable DME software"
Vehicles covered
- 2008 BMW 128I
- 2009 BMW 128I
- 2010 BMW 128I
- 2011 BMW 128I
- 2012 BMW 128I
- 2009 BMW 128I US
- 2011 BMW 128I US
- 2006 BMW 325I
- 2006 BMW 325XI
- 2006 BMW 325XIT
- 2007 BMW 328
- 2008 BMW 328
- 2009 BMW 328
- 2010 BMW 328
- 2007 BMW 328I
- 2008 BMW 328I
- 2009 BMW 328I
- 2010 BMW 328I
- 2011 BMW 328I
- 2012 BMW 328I
- 2013 BMW 328I
- 2007 BMW 328XI
- 2008 BMW 328XI
- 2009 BMW 328XI
- 2010 BMW 328XI
- 2011 BMW 328XI
- 2012 BMW 328XI
- 2006 BMW 330I
- 2006 BMW 330XI
- 2011 BMW 528I
- 2011 BMW X3
- 2012 BMW X3
- 2009 BMW Z4
- 2010 BMW Z4
- 2011 BMW Z4
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.