Help! Engine won't start, F1 fuse keeps blowing

[9NINE3]

2008 X3 N52

In a bit of a bind... the F1 fuse in the engine bay up front on driver side keeps blowing and I cannot find a diagram anywhere. I suspect the ECM or relay? but not sure.
Any help appreciated, gotta get my wife's car back on the road!



F1 fuse is the yellow 20 amp fuse on the far left in the above pic.

[9NINE3]

F1 Fuse Blowing probable cause is a faulty OIL LEVEL SENSOR. I replaced the sensor and did a fresh oil change and all good so far.

Will update this thread if anything changes.