Please need help Bmw n55 e82 135 DCT 2011

[Dplaw]

good afternoon friends, I ask for your help, I have a BMW 135 2011 e82 jb4 back end Mhd, I began to notice that on a cold day after two or three days of inactivity, the car starts hard, engine speed fluctuates, misfires are observed. after 10 seconds everything is back to normal .. I will also attach a video where you can see that on the highway at a speed of about 100 km / h and 7th gear with a speed increase slightly, the check engine pops up, I scan ista + there are no errors, the DME unit is green ... I can’t find the reason. Grateful for any advice!
https://youtube.com/shorts/w_MLC9Uk_tM?feature=share
Also, there is a feeling that the problem is in jb4 Mhd back end tell me please how to return the DME settings to factory settings and try to disable JB4 to get an error that JB4 hides. Thanks

[scratchgolf135]

This is the 1m section. You’ll have better luck moving this to the actual 1 series section.