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Thank you so much for your reply, it definitely lowered some of my anxiety on this oil thing.
So I have a 2021 which means I have the GPF (i couldnt find where to confirm it officially).
From what I understood, I should use LL-04 0W-20.
After reading all these other posts combined with youtube comments saying the same thing, I am confused.
I see so many posts saying that 0W-20 is garbage and it doesn't provide the adequate lubrication. So, they recommend 0W-30 or 5W-30.
I completely understand this from the technical standpoint. However, I am terrified to go against the owner's manual because of potentially losing my warranty.
I don't mean to sound too much like an amateur but this is my first BMW ever and knowing how expensive it is to fix just deters me in this case.
What brand and viscosity would you recommend? Also if the free oil changes at the dealer are 0W-20, would mixing viscosities every other oil change be harmful?
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