BMW 328D 2014–2015 — technical service bulletin
Bulletin B123115 · NHTSA communication 10147238 · issued Sep 1, 2015
Technical service bulletin
communication type
Engine
component
2014–2015
model years
2
vehicle entries
Official summary
"""Low Oil Warning Indicator Light"" Comes on After Extended Driving. After approximately 2-4 hours of driving on the highway at 80 mph, and at an engine speed of around 2200-2500 rpm with an average load, the ""low oil"" warning indicator light illuminates yellow and the following check control (CC) message (ID 27) displays: ""Top up 1 L of engine oil"". Also, fault code: 297200 - oil level (Layer_MOELNIV): Engine oil level too low, may be stored in the DDE CAUSE DDE software error"
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.