[4cylenjoyer]

I have a 2019 330i b46 engine. I have brand new oem spark plugs with a few hundred miles on them, recent oil change, catless downpipe and stage 2 e-30 BM3 OTS tune, mixing California 91+E-85. The car feels much faster although I am concerned. I am new to tuning and datalogs. At highway speeds when crusing, and not really giving it gas it felt like the car was hesitating/misfiring as if shifting but it was holding a gear still. I sent over datalogs to PTF and they said to add more E as my timing was off. I don’t have any codes, I check before and after every drive https://bootmod3.net/log?id=6428b603d10b43a5a2d198eb https://bootmod3.net/log?id=6428d261d10b43a90f238b25 https://bootmod3.net/log?id=6428b6bbd10b43a90f238a98 .
These are the first three logs I sent them. After adding another gallon and a half of E it did look like my timing got better. Here is that log. https://bootmod3.net/log?id=642a5be6ae729b09e650d777
My log looks better but I still feel the weird bucking when crusing at highway speeds. Could this be a transmission issue or maybe fuel related ? Thank you for your time, I know this is a long post.

[4cylenjoyer]

I looked at other threads describing a similiar issue. They fixed it with Xdelete but that is for AWD bmws so not sure if that is helpful info. Also I am at 22,xxx miles.