BMW 320I 2012–2013 — technical service bulletin
Bulletin 120514 · NHTSA communication 10148307 · issued May 1, 2014
Technical service bulletin
communication type
Engine
component
2012–2013
model years
9
vehicle entries
Official summary
N20/N26: Engine Fails to Run on Repeated Cold Start. The engine turns over but does not start on a repeat cold-starting attempt. For example, on the first cold start the engine may start normally, but if shut off right away, the engine may then fail to start and remain running on the next repeated attempts. Unfavorable DME software in combination with the NGK SILZKBR8B8S spark plug
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.