[Terry @ BMS]

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Hey guys,

Been poking around with this 2014-2018 Maserati Ghibli project for awhile and finally was able to get it wrapped up and over to the dyno for testing. For those not in the loop it's a V6 3L twin turbo platform that retails in the 70k range. This specific car is a base model, and they also offer it in an S model that runs a little more boost from the factory. It's marketed to be an M3 competitor but realistically probably more like an Audi S4 or BMW 340i competitor at least on the performance end of the spectrum.

Our test car is a 2017 all stock base with around 13k miles on it. Also equipped with some huge power sapping 21" rims. Fuel was ~93 octane.

The JB4 is working great and we've already got CANbus up and running for advanced mapping, logging, and safety features. After a couple hours on the dyno we settled on a solid 50whp/50wtq mapping for the initial release. Probably another 15-20whp in it with more aggressive JB4 mapping as we get more familiar with the platform.

Intro pricing on the JB4 is $529. In stock and ready to ship!

JB4 Mobile Smart Phone wireless connection directions Click here
BMS data cable hard wired directions and software Click here

JB4 Map Guide:

Map0: Fully disable JB4
Map1: +3.5psi peak over stock, default map, suitable for all fuels.
Map2: +3.5psi peak, less top end taper, more aggressive version of map1.
Map3: +4psi peak, suggested for 93 octane and/or modified vehicles
Map4: Low boost VALET map
Map5: +6psi peak, suggested for 30% E85 mixtures and/or unleaded race fuel
Map6: User adjustable by RPM map on user adjustment page, values are peak boost over stock by RPM under heavy throttle.
Map7: +7psi peak, experimental map for unleaded race fuel. Factory fuel system likely can't keep up with this map on E30.

JB4 Firmware

Note firmware updates are for JB4 models only. e.g. those with OBDII connection. Loading this firmware to a Stage1 will result in a failed load and you'll have to email us for Stage1 firmware to load and restore it to where it was.

JB4_Ghibli_8:

1) Increased sensor sampling rate for smoother performance.



Stock log:


JB4 Tuned log:








How to update firmware:

For firmware updates if having issues we suggest you turn off WiFi, change upload timeout to 25, and set your phone next to JB4 box under the hood.

Download firmware using the new JB4 Mobile firmware database or externally by clicking this link.

[JBoe]

Very nice... I've been considering an S for my next purchase. They sound great stock, but amazing with an exhaust. Plus I prefer 4 doors generally.

[Payam @ BMS]

The tune is night and day difference even on just map 1. It was such a boring car compared to now. I'll try some mild e30 blend tonight and post some logs tomorrow on map 7. This tune is awesome!

[535_BiTurbo]

I wonder what the '17+ Ghibli Grandsport S would put down?

[Terry @ BMS]

I'd love to get one on a dyno and find out!

I joined the Ghibli Facebook group and a lot of people love the cars... But a lot of complaints too. I guess they are less reliable than our beloved BMWs lol.

[535_BiTurbo]

The one you dyno'd is 404hp right?
I know the new ones they bumped the power to 420hp

[wilcoxclay]

I installed one in my 2014 Ghibli last night and so far so good

[Payam @ BMS]

Originally Posted by wilcoxclay

I installed one in my 2014 Ghibli last night and so far so good

Even on map 1 it's a huge difference, no? I remember the first pull I did on the freeway after installing the tune, wow what a difference in torque and power.

[wilcoxclay]

I only have it on map 1 right now, and it was quite a difference. I will try and get some logs on the way home tonight.

Will this be the thread for firmware updates for the Ghibli JB4 version?

[Terry @ BMS]

Yes we'll post updates here as we make them! For now we need to get more of these systems out in the wild. Spread the word on the Ghibli forums and groups.

[icecoldak]

Nice results--How many car platforms are you going to expand too lol, pretty soon everyone can have a JB4

[Terry @ BMS]

Any turbo car that looks fun we're interested in. Who thought we'd ever make a Kia JB4? But the new Stinger platform is awesome lol.

[wilcoxclay]

Here are a couple logs in normal mode for the stock map 0 and map 1

I also included added some logs from this morning that have multiple pulls in them with both map 0 and 1, along with normal and sport modes but I didnt export it after it one were I could notate the mode it was in.

I will get more logs on the way home in a bit

Is there a way to have it datalog while driving all the time and not just on WOT?

[Payam @ BMS]

Logs are looking really good, this is on 93 I presume? Turn it up to Map 2!

[wilcoxclay]

Yes, on 93 pump

Here are several from today on map 1 and map 2, both sport seemed to hang in gear at redline twice and I ended up upshifting manually, but the other pulls did not behave that way and were good

[wilcoxclay]

This morning I tried to get as many as could on the way to work with different modes and maps to try and give you plenty of samples

Back in the day... early 2000s when I was in my twenties I was into racing with the 2nd Gen 4G63 AWD platform although I used an 1st Gen 6 bolt block and went through various stages before I ended up going through the Haltech e6k, and then onto the Motec M4 series. Unfortunately in the end the drivetrain just was not worth it and at that point we decided against turning the engine, powerglide, 9" rear and all that that would entail but I did get to work with Bob Norwood on the car for several years and it was fun but had its day.

Anyways I will be more than happy to assist however I can and provide whatever I can to help yall get this platform as much as possible

The last tuning I did was the Motec M4 so if you can give me an crash course in what options I have in regards to what signals you are able to send to the computer I will do some playing around in map 6, whatever options you can come up with for this thing I would love to customize it

I also have been in IT and development for about 20 years now so I am not sure what all of the firmware you release since mine came preloaded but if you can modify the display the other things like that with this JB4 then I would love to see what I could play with on a custom load

thanks again!

[Payam @ BMS]

Not too bad! Yes we try to keep it conservative for now until we can get more data. This is helping a great deal. Map 2 looks really good. Give map 5 a try, timing and fuel trims looking great.

[wilcoxclay]

Here are several from this morning, I will try map 5 later today

what are the different map descriptions for this model?

[wilcoxclay]

Here is one with map 5 in both normal and sport modes

[wilcoxclay]

Couple more map 5 logs

[wilcoxclay]

Another map 5

[Payam @ BMS]

Logs on map 5 look really good man! Is this all on 93 only? Must feel really good right?

[Payam @ BMS]

Map0: Fully disable JB4
Map1: 4psi peak over stock
Map2: 5psi peak over stock
Map4: Stock map with JB4 CANbus active for logging
Map5: 6psi peak over stock
Map6: User adjustable by RPM map on user adjustment page, values are peak boost over stock by RPM under heavy throttle.

[wilcoxclay]

All these logs from down here in Dallas is on 93 pump, thats all I ever run in it

I got several runs today using the mobile app but the mph isnt correct compared to the desktop app so I am not sure why the difference if its all coming from the jb4, maybe its ghibli specific

Ok thanks for the map description info, I thought map 5 was an auto-tune one but I will just stay in map 5 all the time then.

In the next fw version can you have all sensors logging values as alot are zero with the ghibli and could you make the canbus logging an enable/disable for the global environment and not just stock map 4? Also cant wait for in dash options

Anyways here are several logs from this morning in different modes and maps

[wilcoxclay]

The rest of this morning