P2195 Mini Cooper 2007- O2 Sensor Signal Stuck Lean Bank 1 Sensor 1 which sensor is this?

Question

Im having difficulty figuring out if it is my front or back sensor my Mini Cooper 2007 it has 2
P2195 O2 Sensor Signal Stuck Lean Bank 1 Sensor 1
P2414 02 Sensor Exhaust Sample Error Bank 1 Sensor 1

Answer 1

P2195 02 sensor signal biased / stuck lean (Bank 1 Sensor 1)

P2414 02 sensor exhaust sample error (Bank 1 Sensor 1)

Being sensor 1 this is the upstream 02 sensor or the engine management sensor , it is before the catalytic convertor.