BMW 228I 2012–2015 — technical service bulletin
Bulletin 123514 · NHTSA communication 10148170 · issued Dec 1, 2014
Technical service bulletin
communication type
Engine
component
2012–2015
model years
18
vehicle entries
Official summary
N20, N26 Service Engine Soon Light On: Fault Code 1B9702 is Stored. The Service Engine Soon light (MIL) is on with only the following fault stored in the DME: ? 1B9702: Engine switch-off time, timer, instrument panel timer DME, Comparison: Value of instrument panel timer too low while engine is running This fault will not cause any engine running or drivability problems. Unfavorable instrument cluster and DME software
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.