BMW 1 Series 2009–2011 — technical service bulletin
Bulletin SI-B12-14-10 · NHTSA communication 10034671 · issued Oct 1, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2011
model years
5
vehicle entries
Official summary
Bmw: various vvt faults stored in dme memory. Service engine soon lamp is illuminated, and one of the following drivability concerns has occurred-engine cranks but will not start; loss of power; engine has poor throttle response (reduced power mode is displayed). No model years listed. *pe updated 2/7/11. *pe
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.