BMW 1 Series 2008–2011 — technical service bulletin
Bulletin SI B12 02 11 · NHTSA communication 10037704 · issued Jan 1, 2011
Technical service bulletin
communication type
Engine and Engine Cooling
component
2008–2011
model years
10
vehicle entries
Official summary
Bmw: on low mileage vehicles the engine runs rough, mifires, or fails to crank. This is caused by multiple short start-ups without the engine properly going through a warm-up phase. *rm
Vehicles covered
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.