BMW 316 Bosch ME9.2 lambda off

[zapdus]

BMW 316 Bosch ME9.2

I need lambda off

These are the DTC

271D - Upstream O2 sensor (bank 1)
271B - Unknown fault code
2783 - Air mass meter (hot film)

Is this possible?

Thanks

[PelsonBMW]

maybe first post your file ?