This is the trim cover of the OBDII on-board computer repair inspection port. It is often removed when inspecting the vehicle. Due to time aging or operation, it is prone to breakage when it is opened.
OE number: 51439190686
F25 X3 (06/2009-08/2017)
F26 X4 (05/2013-03/2018)
There may be slight size deviations due to manual measurement, different measuring methods and tools.
The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.