Not sure if this is the case for you, but for me I wasn't bluffing
enough in the MTTs at the beginning. My ITM% was 35% but I was so often getting to the money with 0-25bb.
I started winning my MTTs when I started semi bluffing in position early in tournaments more. Since the antes start immediately I am pretty loose right out of the gate. My ITM dropped below 20% but I at least win 2-3 tournaments a month now because when I hit the money I'm often at 40+BB stack.
Also, when I do get to the money with <30bb I just play tight because I don't have a stack with any bluff equity, and because of ICM.
But when I get there with 50+BB I'm loose to a disrespectful level. Especially with my 3bets vs small stacks.
Anyway. That's what turned it around for me.