OC43AMG

so I just installed the JB1 and the JB4 Bluetooth module and it was really easy to install. Took me about 15 minutes and I think the next time around it would take less than 8 minutes. I was a little nervous about the installation but it was super easy. The hardest part was wiring the Bluetooth module to the JB1.

once installed it sync to my phone app easily.

I set it to map 1 because of the crap fuel in Cali.

First impressions. Very cool I love being able to adjust the maps on the fly. And performance increase was very noticeable. The increased power feels smooth and the car seems to love it. I don’t have a data behind it but I just know that I hit 80mph much faster than before.

on my Bluetooth logger it only logs rpms, boost and iat.

I love love love this setup and wish BMS would continue developing a JB4 upgrade to log all the other inputs.

angelas111

Awesome! I plan to install it soon as well. Do you plan to remove it prior to your annual service appointment?

Dieseldan9

iTrader: (1)

You guys are going to make me buy this before I wanted too :-)

OC43AMG

Yes, i will remove it before bringing it in for service. Its really easy so it doesn't bother me at all. I really wish they can develop this JB kit to the extent they did the N54 cars. Its pretty insane that those cars are throwing down 700hp on stock internals with single turbos.

My dream is for a JB4+ kit and turbo upgrades for the W205 V6.

OC43AMG

I highly recommend it. Especially with the bluetooth module. Its so easy changing maps and seeing logs/graphs on the fly.

Dieseldan9

iTrader: (1)

yeah we are in the depth of winter here in NE so I was going to wait till the weather is nicer

As of now I have a few mods sitting in the garage waiting to be installed

18bora

If you have access to e85, you can mix 30% e85 and switch to map2 or play with map6.

Same here. I almost went with a "full tune", but seeing that the jb1 has similar performance for a fraction of the price and the ability to remove it before service, it's no-brainer

agchenry

18bora

It shouldn't, most modern cars are built to tolerate ethanol, our 93 pump gas already contains 10% ethanol.

waisoserious

How Do I connect this JB4 module to the JB1 Beta?

RichardCranium3

You have to pop open the housing and attach directly to the board.

https://s3.us-east-2.amazonaws.com/d...+(5-26-17).pdf

Lazz83

So am I understanding correctly when people say that all the JB1 does is increase boost? It does nothing to timing or transmission shift or anything that a full tune does? Just curious because it kicks a full tunes *** Price/performance wise- with that being said there is no advantage to a full tune except that it voids your warranty

agchenry

It changes boost, timing and monitors IAT, which is one of the most important parameters to monitor to increase boost safely.

By the way full tunes do not do anything to transmission shift patterns either. You need to tune the TCU for that.

Lazz83

That is great news, so the JB1 can improve the overall driving characteristics of the car. The more I hear the better the JB piggy gets