bmw f30 exhaust flap permanent open

[Trice1001]

hello,
I try to open the exhaust flap permanent to open.
Now is open permanent by drive but coldstart is close.

Can someone help to open permanent and permanent in coldstart?
Or give advice what is to change?

Thanks a lot

[Trice1001]

nobody have done it and can help ? :D

[Lambda1]

Just deativate cold start..?

[alonedark]

I can do it