G80 M3 JB4 Review

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G80 M3 JB4 Review

Рет қаралды 5,225

Күн бұрын

In this video I give my review of the Jb4 after having it on my car for 10k miles so far…
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Пікірлер: 56

@michaelbleau9279 11 ай бұрын

I bought the BM3 license anticipating doing the FEMCO unlock, but have been on the fence, for many of the reasons you mentioned. Great video on the JB4 thanks!

@elgapitan 11 ай бұрын

You’re very welcome that’s exactly why I made it! I know there’s a lot of us out there that feel the same way.

@christopherevans7061 2 ай бұрын

Awesome video. Just like everyone else was on the fence about JB4. I literally have the same background in cars as you. Came from the boosted V8 world also, so I know exactly what you are talking about. I joined the Facebook group and looking forward to talking with you.

@elgapitan 2 ай бұрын

Appreciate it!! 💪

@albyron1232 11 ай бұрын

Thanks for all the info. Just got my JB4 a couple days ago. Still trying to learn more about the different maps and the fuel options.

@elgapitan 11 ай бұрын

Glad to help! Join out FB group we share tons of info Terry is in there himself

@M4PAT 9 ай бұрын

I was all in in getting the JB4 but i heard BMW can still see the changes and will still void warranty :( i just bought my 2024 m4 competition xdrive 4 weeks ago.

@plife911 10 ай бұрын

Very well said!!! Youre a pro at this!

@jaycampbell333 11 ай бұрын

This is an excellent, unbiased and very compelling review for anyone on the fence about modding their M for performance improvement. Great Job my bro! Couple of questions for you. Recently picked up 2022 M4 Comp X-Drive Convertible and likely to get JB4. My last ride was 2022 LCI X3M and after installing Race Chip Black GTS and ER Mid Pipe, the car was fast AF but too loud especially at cold start. Are there any other hardware mods I can install that will increase performance but not create excess fumes (live in Florida and drive with top down often) or make the car too loud at start up? Would really appreciate your insights here as you clearly know your stuff. (Will join your FB group now)

@elgapitan 11 ай бұрын

Thank you!!! Truly appreciate the positive feedback. Congratulations on the new purchase. I too had the same concerns as you as far as exhaust modifications, on my car I have a single midpipe only with stock muffler and downpipes. Imo the sound and performance gain is perfect for a daily driver .

@jaycampbell333 11 ай бұрын

@@elgapitan Thanks man. Which Midpipe? Does it create really loud sound at cold start? If it doesn't , please link me my brother!

@elgapitan 11 ай бұрын

@@jaycampbell333 x-ph.com/mad-bmw-g8x-m3-m4-single-midpipe-brace-included-mad-5048/ This is the one I have cold start isn’t bad I start it everyday in my garage at 5am and doesn’t wake anyone up lol. They also have resonated version now.

@mperez9745 6 ай бұрын

Jb4 is just better, it has so many safety's on it to keep your engine from hurting.

@Top_g80comp 11 ай бұрын

Fantastic honest video 💯🤘thx

@elgapitan 11 ай бұрын

Thank you!

@roma5733 11 ай бұрын

Me too was on the fence of sending the Ecu to femto. I heard the jb4 installation is a headache. Where are you located Erick?

@elgapitan 11 ай бұрын

In NJ, it’s just one plug that’s a PITA but can be done with a little patience.

@roma5733 11 ай бұрын

@@elgapitan I’m in NJ too; I have a 6mt I saw your fb post about custom maps. How much would you charge me to install it?

@elgapitan 11 ай бұрын

@@roma5733 I didn’t even have the time to do mine lol my boy installed it for me at AMS in linden

@caprisunmonke1776 5 ай бұрын

I’m honestly in a very similar situation to you: I had a JB4 on my 330i and didn’t really like it because I wouldn’t feel that big of an increase and the gas here (CA) is shitty 91 and even with E mixes, I could never get the logs to look perfect like so many others with 93 and E mixes, which left me very frustrated. Now I have a G87 and am once again considering the JB4 option, I don’t want to go too crazy on the power, I think map 2 would be more than enough for me. I’m just wondering if you think the logs will be wonky using an E30 ish mix with 91 octane because if it is, I might just pass on tuning until flash tunes become more accessible for post 2021 cars.

@user-qk7bo9jo6k 11 ай бұрын

Appreciate the overview. I have same concern with DME unlock for my m340i daily. Was concerned about the inconsistency I read in the JB4 forums. Might give it a chance, do you recommend a forum for the B58?

@MichaelSchwab-nk4rm 11 ай бұрын

Oh yeah, whats youre group on Facebook exactly? Would really like to join and learn how to set-up the maps. Just bought the downpipes with a Jb4.

@elgapitan 11 ай бұрын

m.facebook.com/groups/270707335512849/?ref=share&mibextid=S66gvF

@MichaelSchwab-nk4rm 11 ай бұрын

@@elgapitan sweet!

@chump6219 Жыл бұрын

You know what I’ve been thinking about pulling the trigger on a jb4 and installing downpipes but now I’m second guessing it lol but what do you think about mid pipes ? Will it make the car go crazy ?

@elgapitan Жыл бұрын

Go for it I have a single mid pipe on mine 👍

@reginald8703 Жыл бұрын

I’m contemplating between race chip and the jb4. Still cannot decide. I just want a piggy back tune.

@elgapitan Жыл бұрын

Well you know which one got my Vote!

@longytvboxlongy3479 9 ай бұрын

Racechip is great, noticeable performance gains

@S58AJ Жыл бұрын

Great video !!!!

@elgapitan Жыл бұрын

Thank you!

@MichaelSchwab-nk4rm 11 ай бұрын

Forgot to ask. Do you do all you're pulls in efficient due to the throttle closure issue? Or did you figure out a workaround for this issue?

@elgapitan 11 ай бұрын

Always in sport plus, we have resolved the throttle closures in custom maps. Join our fb group we have a group chat

@MichaelSchwab-nk4rm 11 ай бұрын

@@elgapitan No way!! I joined last night! Waiting for approval I guess?

@MichaelSchwab-nk4rm 11 ай бұрын

Aaahh thats so awesome you guys figuit out!!

@peterg6953 Жыл бұрын

Do you know if the car is flagged for having a tune? Just curious.

@elgapitan Жыл бұрын

It is not

@eduardlast23 11 ай бұрын

If something big warranty wise would happen they would know

@sf2942 11 ай бұрын

The ECU will show more boost fueling etc .BMW can read it .the standard parementers have been exceeded and it gets logged .

@M4PAT 9 ай бұрын

Thats what i heard and was still worried bout piggyback@@sf2942

@shaz8365 3 ай бұрын

Hey bro. Is your M3 AWD or RWD.

@elgapitan 3 ай бұрын

AWD

@shaz8365 3 ай бұрын

@@elgapitan do you know what times a RWD map 3 would run.

@okchaz6634 Ай бұрын

@@shaz8365better on rolls, little slower on drags

@MichaelSchwab-nk4rm 11 ай бұрын

Excellent Video. This is the type of info seriously Lacking in the Jb4 community.

@elgapitan 11 ай бұрын

I appreciate that!

@MichaelSchwab-nk4rm 11 ай бұрын

I'm just not understanding the comments about Catless downpipes. I've seen dyno charts where the downpipes actually smoothed out the power curve with the Jb4. I'm sure it needs to be dialed in differently with downpipes of coarse but it's gotta be easier on the turbos to breathe more freely than having to run more boost to net the same gains. Either way, I notice there's certainly a lot of confusion about this topic. A lot of guys say the same about the downpipes not making much of a difference in power between the Bootmod stage 1 map vs the Stage 2. Then you have some guys running custom tunes claiming they gained 80whp. One thing I'll say everyone seems to agree upon is if toy want big power E85 mixtures "E30+" is the Way

@elgapitan 11 ай бұрын

@@MichaelSchwab-nk4rm you’re not wrong! I personally feel the downpipes cause too much of a disturbance without an actual tune for most. Definitely requires a custom map 6 to run optimal, I do however think the AA catted options are a good compromise. I may bite the bullet on a set!

@MichaelSchwab-nk4rm 11 ай бұрын

@eric__padilla Yoy gonna order the catted? Naah just get the catless! The catted still throws a cell so you might as well

@elgapitan 11 ай бұрын

@@MichaelSchwab-nk4rm not the Active autoworks ones! Guaranteed no CEL