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Hello, when you have the time to reply I’m hoping you could help me out!

I will be running JB4; I want to start running meth, is the BMS one better just due to the integrity?
I’ve been looking on the BMS website, but I can’t seem to find a suitable tank for a 335 in the boot?

With JB4 and the meth kit, is it going to be relatively easy to have MHD as well,

thanks once again,
Hi Terry, just a quick one, looking to use your N54 manifold with my existing PI spacer so I can run PI fuel and meth(to allow me to ditch CPM). Have you run it with a spacer? If so which way round works best? Meth in spacer or fuel?


New member! I got an n54 07’335i
And I’m hoping you guys know about a rattle on the deceleration.. only on the startup when the engines warmed up it goes away.. I’m hoping it’s not the wastegate or valvetrain please reply if you know of this noise ty
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Also I got money saved up for major upgrades if y’all can drop me some tips on what intake/exhaust/chip/ hpfp or alternative/injectors/ single turbo or what??what else should I do?? Accepting any advice thanks for your time!
Feel free to post a thread in the Troubleshooting section inside the N54 forum and someone should be able to check it out :)
Yes that noise you described on start up and on decel is most likely wastegate rattle. Very common and exactly how you described. Sorry bud definitely time for turbos 😔
(sorry this site wouldn't let me post the whole message in 1) ...If I hook it up to the car I still only get the same options and it doesn't seem to connect either, do I need to install on an XP or is there a download version for win10...thanks in advance
My issue is after I selected > "Transmission" , how do you know what type of gearbox to choose after this option ...I thought it would be ZF or GM or something similar, but instead i only get two options ..."GS8.xx" or "DXC" for gearbox types my car has the E83 engine with a "ZF 6HP21X" so I first chose "F7", then "transmission" but after that i am totally lost.
2008 X3 SE 2.0 SE auto (ZF-6HP21X) Hi. I was told your a bit of a guru when it comes to INPA etc, So hope full you can guide me in the right direction if you get the time I'd be greatfull, I installed and ran INPA on my win 10 Laptop ver 5.0.6 using WinXP Compatablilty on the installs within my home in order to familiarise myself with the menus.
Love your mods , you gave me som ideas what to do with mine full loaded 09 x5 d35.
The only thing that dont work on my car ( to my children sorrow ) are the rear seat dvd player . I sendt it to get fixed and was robbed for 450 USD for it and still dont work .
So my question are how much for the complete DVD kit ?
Regards from Norway
Planning refresh on some front suspension bits: the new Turner Monoball Thrust Arms for the E90 xi, new tie rods, UUC Front Sway Bar.
Contemplating which ST kit to go with...leaning towards bottom mount in hopes of passing visual here in Comifornia
switch (lovesBMWs)
case true:
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