I would like to ask if disabling slow ASR intervention in car with DSG is possible as in manual transmission.

I have problem after manual to DSG conversion. Ecu is ME7.1.1. With manual transmission and flash file for manual in ECU it was nor problem to disable slow ASR intervention by CWMSRCAN and KLDMASRL.

With manual box it was working perfect, but after DSG conversion and flashing suitable software to ecu the same solution seems to not working.

CWMSRCAN bit 2 is set to 1, KLDMASRL whole to 0xFF, but ASR is still using throttle to reduce power and as this engine is turbocharged it causes large jerks.

Is ecu software for automatic gearbox needing any other modifications?

You mean "base" torque limiter in DSG or some specific one used for traction control purposes? Base limiter is 500Nm now and it its not doing any intervention in normal conditions.