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Three flex kits I know for 100% fact work with MHD, from my own experience. You just need to make sure you select the correct one in your .BIN or your tune settings screen in the phone app. MHD (Select MHD) BM3 (Select Zeitronix, uses same CAN ID as Zeitronix) Visconti (Just uses zeitronix...

Awesome, thank you. Wonder if it was a settings thing that wasn't allowing it to work for the other person.

Yo, but you are the one that is hard headed.

I run 300whp over stock and run stock Champion plugs with stock gap, used hard on track. Tuned a bunch of other Supras, used hard on track with 200-400whp+ over stock, with stock plugs and stock gap. This is me sharing actual experience, not some other persons youtube videos. I'm not being...

I do, it helped a little bit with pedal feel.

For now, you can get it over OBD2 port if you really want it. I do have access to all the BMW measurements now. I just need somebody to help me with figuring out what hardware supports BMW enhanced to get them over CAN/OBD2.

Wait, so CX is confirmed not to work? Please let me know and I will update the first page.

Also, modern ignition systems are MUCH better than before.

That is how they live. To them, they are the smart and right ones. Always.

Over 600whp and 29-30 psi. E40. OEM Champion plugs, stock gap. Beat to crap on track at least once a month. Logged every second on track. No issues. I know many others with the same experience. Plugs are like dynos, theirs are always better.

You run XHP so why care?

You raised it 3/4" of an inch? How much lower than stock was it?

The MHD OTS are pretty good. For a street car, I think they are hard to beat. Custom would be beneficial for different usages. Especially track use.

You can run 30psi low RPM too? What is your max HPFP angle? Low 80's DC means you have a good amount of head room still in the top end.

I don't run a catch can so I'm not the right person to ask. I have run 29-30psi but not flat, just out the top, which will have very different cylinder pressure than running 30psi flat. I doubt you will be able to run 30 psi flat with DI though.

Yea, 30 psi with the 900 will have more to it so overbuilding is a good idea.

How much boost are you planning on running? Most people have zero need for a catch can.

Are you on pump gas or ethanol? Zero need to upgrade the HPFP (and def not the LPFP) with stock turbo unless you are looking to run higher percentage of ethanol and more boost down low.

on 21+, with OEM tune, and with a tune if your tuner didn't touch those tables... car will start to pull ignition timing about 1-2* at 80F IAT, 5-6* at 116F IAT, 7-8* at 134F IAT. IAT's will usually be about 20-30F over ambient with the OEM manifold just cruising and usually gains 10-20F at WOT...