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This is for a Femto unlock, not the Kies unlock.

Totally normal. Happens from time to time even on the BMW cars. Just press and hold the volume knob for about 30 seconds to hard reset the system.

Thanks for reminding me to never give that dude a dime of my money. I guess I’ll be running Spool’s Reflex harness instead.

Oh boy… you must be new here.

I think given what others have said, it’s best to take the time to triple check everything and educate yourself along the way. The car is already torn apart, might as well ensure that you’re doing it right so you don’t have to do it again.

Sure seems like it.

So given that, what would be the correct set of pistons to buy for these engines?

RealOEM or BimmerRefs

https://www.supramkv.com/threads/post-2020-dme-unlock-with-autotuner.33254/page-5#post-519418

At this point, I’m more interested in Autotuner since it’s magically all software-based now, confirmed by MHD to be compatible with MHD+, and it’s 1/3 the price of Femto.

Which is hilarious because Kies already paid for the service on their end, so they’re just throwing money away if they revert the DME back to stock and refund the customer.

Beautiful. Now I don’t need to spend $1000 with Femto. I am interested in more details about their new “Full” unlock and what exactly it entails though.

https://blackmarketrace.com/products/bmr-b58-lightning-turbo-kit?variant=51225648726148

He’s explaining WHY you’re having the issue.

They took the measurements that they needed and I never heard from them again. 🤷🏻‍♂️

The M340i is the better option here. Don’t make the mistake of not getting xDrive. It is absolutely worth the extra money and you will regret not getting it later on down the line. I’ve had a RWD M340i, I now have an xDrive M240i, and I’ve driven plenty of Supras. You will not be disappointed...

Do you have any examples of a setup like this? Maybe photos of your own setup? Just trying to understand better.

You're not blind. I checked earlier when you posted and noticed that they were gone. The link that I had previously saved no longer worked and I couldn't find them, both via search and via the product listings.

Steve from Wedge told me to stay away from DI upgrades for this exact reason. He said it puts way more stress on the system and the way to try to tune for it is really just a bandaid because even with the stock HPFP there’s potential to run into issues.

To add to this, there’s only two plugs on the market for our cars (That I’m aware of) that are equivalent to an NGK heat range 10 plug, and nobody really uses them. From 500-1500hp and beyond, almost everyone uses the stock plugs, with the stock gap, and the stock ignition coils. If it ain’t...