Need lamda off BMW E46 325i

[autoelek]

Hi I removed cat from car BMW E46 325i 192 HP, ecu Siemens MS43 nr 5WK90015, 0513431548, I attached file. Need lambda off.

[bobolin4o]

Disconnect the two post-cat sensors, flash the file and erase the error codes.
The checksum is ok.
Regards!

[autoelek]

Thanks, you mean disconnect plug from O2 sensor after catalyst from both side ?

[bobolin4o]

Thanks, you mean disconnect plug from O2 sensor after catalyst from both side ?
Correct!
Regards!