BMW 1 Series M 2007–2014 — technical service bulletin

Bulletin 130712 · NHTSA communication 10149300 · issued Jan 1, 2013

Technical service bulletin

communication type

Fuel System, Gasoline

component

2007–2014

model years

vehicle entries

Official summary

N63 and S63 Engine: High-pressure Fuel Injector Replacement Procedures. The customer complains that one of the following scenarios has been encountered while operating the vehicle: * During a cold start in the morning, the engine runs very roughly and the Service Engine Soon lamp is illuminated. * During a hot start, the engine runs very roughly and the Service Engine Soon lamp is illuminated. * While driving or idling, the engine will misfire and the Service Engine Soon lamp is illuminated. * Various misfire faults are stored in DME fault memory. CAUSE An internal failure of the high-pressure

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.