@steve99 thanks for that steve, I've been following your AUS-related post the past couple days as well, very insightful. I've got a few mods coming in later this month and will be going stage 2. At that point, will do the fine adjustments as you have mentioned.

Updated OP, thank you all for helping me out!

@steve99 as far as I know, oft can't log kc? Only kclv

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OFT will log kc learned an d knock correction. I reckon you need to download latest 1.07 open flash manager update oft nad get new template file then it will show about 30 logable parameters , can log any 12 at a time

I have this, very similar to the first video in the OP. Got mine late last April right off the boat.

I have this tip-in knock on my new 2014 BRZ. It has B01C. It pretty much happens every time I blip the throttle. My car is 100% stock. I use 93 octane with 10% ethanol.

anybody find a real solution on this on stock cars? when mentioned to the dealer, do they do anything about it?

I doubt the dealer can or will do anything about it. You'll need a proper tune to take care of it if your car has it. Some cars are much worse than others about it too.

Mine does it too. I told the dealer to check for knock codes, but I suspect they didn't do it and don't care.