F13 640i Boosted-JB3 report

SAMLAMBO

Well-Known Member
Engine-N55 (Twin scroll Turbo)
ECU Piggybag-JB3 from Boss Motorsports

Over the past couple of weeks, I have been contemplating over which piggybag to go with. After doing a lot of research, reading up in various forums and asking around, I decided to settle with the juicebox3.
I dropped by to Boss Motorsports today to clear my doubts and Nic was not just helpful but very informative to my queries. They had the jb3 installed and I was expecting decent power gains but HELL NO!, it was worlds apart, I am telling you guys, I was blown away with the way the car performed. It was a total different animal, it was MUCH MORE than what I expected. Nic mentioned that I should see a good 30-40hp and 40-50nm gains on the dyno but I have not finished running my car in yet, currently at around 700kms and will dyno after running in. However the pull starts from around 2200 revs all the way up. I was not even on full throttle as I am still taking it easy on the block which is why I resisted pushing it beyond 5000 revs. Between 3000-5000 revs, the before and after feeling is a big difference. The power delivery is still as smooth but at the same time feels never ending. Throttle response has also improved. How do I explain it, it's like a punch in the back when you floor it, well to 5000 revs for now.

I messaged Nic that this does not feel good, it feels F*****G good! No hassles in installation, took about 20-30 mins to cool down engine and about 20 mins to install it. No cutting, no welding, just plug and play!
I have seen other piggybags with wiring harnesses that go on for miles but the jb3 software is very few wires, simple, easy to install, COST effective, no error codes and feels easily more than what they claim to produce in power.
I don't have anything to do with Boss Motorsports, Juicebox whatsoever, just want to share with you'll my experience today as I am still excited and looking forward to my next drive,

Thank you Boss Motorsports! :dance:
 
Last edited by a moderator:
Re: F13 640i Boosted-JB3 report

Congrats..............
0 to 100 improve..........
100 to 0 must also improve............












vroooooom vrooooooooom
cheeeeeeeeeeeeeeeeeeeeeeeeeeers
 
Re: F13 640i Boosted-JB3 report

what distance to run in?

interesting to see the gain on dyno chart
 
Re: F13 640i Boosted-JB3 report

ac323;837936 said:
Congrats..............
0 to 100 improve..........
100 to 0 must also improve............












vroooooom vrooooooooom
cheeeeeeeeeeeeeeeeeeeeeeeeeeers

M performance brake kit...
 
Re: F13 640i Boosted-JB3 report

BoneDoc;837944 said:
What happened to Kellener's. I thot u were quite set on that?

Been doing a lot of asking around and been getting a lot of positive feedback on the JB3 which I am so happy with now!
 
Re: F13 640i Boosted-JB3 report

SAMLAMBO;837945 said:
Been doing a lot of asking around and been getting a lot of positive feedback on the JB3 which I am so happy with now!

How about the swiss tech?
 
Re: F13 640i Boosted-JB3 report

Samuel Tan See Teng;837951 said:
How about the swiss tech?

I'm sure there are many brands out there that are probably as good but the hundreds of cars that have installed the jb3 is enough justification for me. Not forgetting I can't seem to get rid off that big smile still on my face :dance:
 
Re: F13 640i Boosted-JB3 report

Seriously guys, if you'll have not done the ecu, please do yourself a favor and go do it tomorrow. I SWEAR to you guys it is bloody good! Not forgetting they will refund you back if you don't like it, however you will LOVE it.
 
Re: F13 640i Boosted-JB3 report

Guys, jokes aside, please go and do the juicebox3. Don't like it, give it back.
 
Re: F13 640i Boosted-JB3 report

SAMLAMBO;837990 said:
No thank you. the current 640i brakes are good enough and both the 640i, 650i use the same brakes. 650i is pushing out more power so I think my stock brakes will do the job. :dance::dance::dance:

I know that 523i, 535i and 550i have 3 different sizes of brakes. Not too sure about the 6 series :huhhuh:

And thanks for your feedback for the jb3. Very very tempted now to go down to install since it is so easy.
 
Re: F13 640i Boosted-JB3 report

helbreath;837997 said:
I know that 523i, 535i and 550i have 3 different sizes of brakes. Not too sure about the 6 series :huhhuh:

And thanks for your feedback for the jb3. Very very tempted now to go down to install since it is so easy.

Seriously, go do it tomorrow, why would I recommend it to you'll if it's not good.
 
Re: F13 640i Boosted-JB3 report

Bro samlambo... pls look out for error codes... this may come on after about 2 to 3 weeks when main ecu picks up changes in the different parameters and cannot adjust to the changes... car can still be driven but jus damn irritating with the engine light on all the time... this was the reason I got rid of my JB3 in the first place... let's hope nic did a different programme setting in the jb and this is compatible with your car...

Jus my 2 cents...
 
Re: F13 640i Boosted-JB3 report

Samlambo, did nic tell you about juicebox4?? Maybe you never ask. and omshks is right. Wait till 2 weeks la not even 3. the engine light will be on. Be patient la bro. And frankly our brakes are not good enough.
 
Re: F13 640i Boosted-JB3 report

omshks;838049 said:
Bro samlambo... pls look out for error codes... this may come on after about 2 to 3 weeks when main ecu picks up changes in the different parameters and cannot adjust to the changes... car can still be driven but jus damn irritating with the engine light on all the time... this was the reason I got rid of my JB3 in the first place... let's hope nic did a different programme setting in the jb and this is compatible with your car...

Jus my 2 cents...

Damn man, I hope all goes fine with mine. Will keep you'll posted if it does.
 
Re: F13 640i Boosted-JB3 report

kimi0404;838133 said:
Samlambo, did nic tell you about juicebox4?? Maybe you never ask. and omshks is right. Wait till 2 weeks la not even 3. the engine light will be on. Be patient la bro. And frankly our brakes are not good enough.

yes but it is not for the F13 which he is 100% sure. I checked twice with him yesterday.
you want to buy for your bros some brakes? :)
 
Re: F13 640i Boosted-JB3 report

omshks,
bro, is your car pi?
 
Re: F13 640i Boosted-JB3 report

From what I understand from Nic at Boss, the pi cars needed to do a firmware update in order to avoid the error codes.
 

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