Hi All,
I have a weird problem with my polo 9n3 GTI. It has 525 injectors, bigger TIP, FMIC, hybrid turbo K03s with harder wastegate (~0,6-0,7bar), K&N filter and exhaust without mufflers.

After the car was tuned by leading company in my city everything was ok, turbo was giving 1,3bar in peak and 1,2bar till the end of rpms. When it start getting hotter on the outside - engine load and boost starts dropping to 0,4-0,5bar. Also turbo was not hitting this 1,2-1,3bar. Zero fault in Vagcom. Nothing else changed with setup, the only diffrence is outside temperature (tuned was at 5-10 degrees, now in Poland it's 25-30). Of course I check all of the things (changed DV, N75, put new vaccum pipes, connect DV directly to manifold)

This is log from monday - https://log.tunezilla.com/s/hh2ogFbC
This is log from yesterday after I tighten wastegate about 2 revs -https://log.tunezilla.com/s/CMDu1TMc

My friend told me that probably problems is with that the tune is done for the serial wastegate (~0,3bar) and it is also somehow correlated with outside temperature/IAT.

Can somebody check my soft and tell im is it correctly done for ~0,6-0,7 wastegate or is there's some IAT limiter? Why this FCKNG load and boost is dropping?

Thanks in advance