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      04-22-2024, 06:54 PM   #1
22M340iAZ
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Flex fuel kits

Is there any difference between the bootmod 3 flex fuel kit and the fuel it one

The bootmod one is 600 and the fuel it is about 450 is there any difference or worth to go an extra 150 to get the bootmod one ?
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      04-22-2024, 07:00 PM   #2
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Bootmod is all integrated as in the ecu gets the values directly. No need to open app read do math. The fuel it route is standalone , as in the ecu isnt provided with the info and to match what the bootmod does would require adding the CANbus CANflex ECA

https://burgertuning.com/products/bm...5-analyzer-eca
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      04-22-2024, 07:02 PM   #3
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Quote:
Originally Posted by Mapper View Post
Bootmod is all integrated as in the ecu gets the values directly. No need to open app read do math. The fuel it route is standalone , as in the ecu isnt provided with the info and to match what the bootmod does would require adding the CANbus CANflex ECA

https://burgertuning.com/products/bm...5-analyzer-eca
The 449 price comes with it though so would it not be the same thing ??
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      04-22-2024, 08:25 PM   #4
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Ah yes I see. Must have reduced their pricing.
The other is if you wanted to go with a fuel hat install, bootmod is the route.
Otheewise, yea I am not sure if there is any other differences. Maybe someone who uses fuel-it can add context.
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      04-22-2024, 11:54 PM   #5
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Quote:
Originally Posted by 22M340iAZ View Post
The 449 price comes with it though so would it not be the same thing ??
Comes with what? Connection to OBII? No it doesn’t. It comes with a wire to connect to the JB4 so you don’t have to bother with the Fuel-it app. Do you have a flashed ecu or are you using a JB4?
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      04-23-2024, 12:03 AM   #6
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Quote:
Originally Posted by Soylent View Post
Comes with what? Connection to OBII? No it doesn’t. It comes with a wire to connect to the JB4 so you don’t have to bother with the Fuel-it app. Do you have a flashed ecu or are you using a JB4?
Flashed ecu, but this is a universal flex fuel kit…. Right ??
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      04-23-2024, 12:45 AM   #7
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I bought mine 2 years ago to work specifically with the JB4. Is this one upgraded? I don’t know. I would just call them. Worth the savings if it works for your setup?
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      04-23-2024, 10:15 AM   #8
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Quote:
Originally Posted by 22M340iAZ View Post
Is there any difference between the bootmod 3 flex fuel kit and the fuel it one

The bootmod one is 600 and the fuel it is about 450 is there any difference or worth to go an extra 150 to get the bootmod one ?
Fuel-IT offers different options. They have CANbus for flash cars, bluetooth for using the phone app, and 5v output for other applications like JB4. So you need CANbus one for BootMode.
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      04-23-2024, 11:49 AM   #9
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Quote:
Originally Posted by LongBeachDinanFan View Post
Fuel-IT offers different options. They have CANbus for flash cars, bluetooth for using the phone app, and 5v output for other applications like JB4. So you need CANbus one for BootMode.
Yes so what is the difference of the two ? Both support bootmod
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      04-23-2024, 11:56 AM   #10
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Quote:
Originally Posted by 22M340iAZ View Post
Yes so what is the difference of the two ? Both support bootmod
I see the photo of the Fuel-IT one, where is the photo of the bootmode one?
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      04-23-2024, 11:57 AM   #11
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Quote:
Originally Posted by LongBeachDinanFan View Post
I see the photo of the Fuel-IT one, where is the photo of the bootmode one?
https://www.protuningfreaks.com/prod...00-plug-n-play
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      04-23-2024, 12:53 PM   #12
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In terms of the safest option, do people have a preference on location between fuel hat versus in the engine bay? The fuel hat is appealing since it's incognito but wanted to ask.
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      04-23-2024, 12:57 PM   #13
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I can't see their wiring harness but for these the fuel hat is hidden but a headache for the wiring as you have to run it up by the glove box and remove a bunch of interior trim pieces that then never seem to click back in properly ever again.
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      04-23-2024, 01:39 PM   #14
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If you're using bootmod3, the PTF flex fuel kit enables the multimap feature. This allows bootmod3 to automatically adjust your boost and timing based on the ethanol content.

Quote:
Originally Posted by christianb5s4 View Post
In terms of the safest option, do people have a preference on location between fuel hat versus in the engine bay? The fuel hat is appealing since it's incognito but wanted to ask.
never had an issue with either one
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      04-23-2024, 01:47 PM   #15
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I ended up going with the TMS Flex Fuel kit, it includes the Zeitronix analyzer. https://trucranemotorsports.com/prod...7-m2-m3-m4-s58
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      04-23-2024, 01:55 PM   #16
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Quote:
Originally Posted by WolfpackCO View Post
I ended up going with the TMS Flex Fuel kit, it includes the Zeitronix analyzer. https://trucranemotorsports.com/prod...7-m2-m3-m4-s58
But that’s even more expensive
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      04-23-2024, 04:09 PM   #17
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Quote:
Originally Posted by mike@x-ph.com View Post
If you're using bootmod3, the PTF flex fuel kit enables the multimap feature. This allows bootmod3 to automatically adjust your boost and timing based on the ethanol content.

never had an issue with either one
With a CANbus adapter from Fuel-IT, BM3, MHD, Zex, etc, you can do that for all flash maps. You don't need the MHD or BM3 specific CANbus kit to enable the flash tuning CANbus features like multimap.
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      04-23-2024, 04:16 PM   #18
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Quote:
Originally Posted by LongBeachDinanFan View Post
With a CANbus adapter from Fuel-IT, BM3, MHD, Zex, etc, you can do that for all flash maps. You don't need the MHD or BM3 specific CANbus kit to enable the flash tuning CANbus features like multimap.
i never tested the fuel it with a flash tune, i used it with the JB4.

Good to know it works the same with bootmod3
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      04-25-2024, 08:59 AM   #19
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I'm not much of a mechanic, but I installed the bm3 fuelhat kit it 30 minutes. The trickiest part is the wiring due to lack of good pictures out there.... I think someone did a write up recently that had a good bunch of pics though.....
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      04-25-2024, 09:42 AM   #20
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Something else to consider in terms of fuel hat vs pre-rail closer to the engine. If you’re analyzing at the hat, there is still potential for less E content in the fuel lines after that all the way to the engine. Now, is that enough volume to cause an issue with too much timing when your content isn’t exactly that at the injectors/rail or does that fuel get used up quickly enough? I don’t have a definitive answer, but generally, if that’s a concern, just drive it for at least 5 min at the stable E measurement before you beat on it and it should be fine, but it’s definitely something to be mindful of.
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      04-25-2024, 10:36 AM   #21
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Quote:
Originally Posted by Jasinedward View Post
I'm not much of a mechanic, but I installed the bm3 fuelhat kit it 30 minutes. The trickiest part is the wiring due to lack of good pictures out there.... I think someone did a write up recently that had a good bunch of pics though.....
i plan on posting a step by step install video
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      04-25-2024, 10:55 AM   #22
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Quote:
Originally Posted by mike@x-ph.com View Post
i plan on posting a step by step install video
Do you know when by ?? I plan to install it and a lot of the videos out with the wiring I’m scared to do because of the massive amount of cuts when doing that part
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