Ok put in my non BMW cartridges. Code P0140 02 pulled. Test revealed Bank 1 Sensor 2 Failed. All others passed.

B1 S1 calc (v) .745 min limit .475 max limit 1.005
B1 S2 1.025 .480 1.005
B2 S1 .810 .475 1.005
B2 S2 .820 .480 1.005

Both Min and Max Sensor Failed with Back 1 Sensor 2


Does this mean to replace only that O2 Sensor?