BMW 1 Series M 2007–2015 — technical service bulletin

Bulletin 130712 · NHTSA communication 10148172 · issued Dec 1, 2014

Technical service bulletin

communication type

Engine and Engine Cooling

component

2007–2015

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.