LF (2015-2019) Sonata/i45
Greetings! I'm new to the forum and looking for some advice. I just brought home a 2017 Sonata 2.0T with 27k miles on it. Eager to make it run as well as possible, one of the first things I did was an old change, putting in 5W-30 Mobil 1 Extended Performance, with Mobil 1's M1-104A oil filter. I...