It could under certain circumstances. I have a catless with no tune and when I did a pull around 150 the car threw a drive train malfunction caused by “120208, boost pressure too high”.
I was doing a pull a couple nights ago and the same “drivetrain malfunction” occurred around 150. The thing is I was on map 0 the entire time, i just had the jb4 on for parameters. Yesterday I took the air box off and checked if anything was out of place and found nothing loose. This is the code...
I feel you. I ended up getting Castrol EDGE Euro 0W-30 A3/B4. It was LL01 approved until 2018 when BMW removed 0w oils LL01 certifications. Their 5w-30 euro is still LL01 approved.
I did a bit of digging and looked into epa reports. It states : "The program sets new vehicle emissions standards and lowers the sulfur content of gasoline to a maximum of 10ppm beginning in 2017". That should be on par with Europe. I'm not entirely sure but it looks like we could use LL-04...