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Alessandro Alessandro is offline
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Default 12-01-2017, 03:13 PM

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Originally Posted by jason427
That's a bummer. I was stoked to hear twin turbo 6cy thinking it was going to be a beast after tuning... Oh well...
I may have to switch out sooner than later if it doesn't go low 12's - high 11's.
Jason
it will go low 12 for sure as i did it with a different tuning box. 12.2 was the best.

I am sure with the JB we will be able to go high elevens for sure.


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Default 12-04-2017, 08:40 AM

Don't have fuel control running yet, but at 4psi over stock, with 5 gallons of E85 added to 91, times are improving.

I also found it runs quicker short shifting around 6000rpm than riding it out to redline. Typical of undersized turbos.
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Default 12-04-2017, 09:33 AM

Thanks for the update? Any ballpark idea when you think we can get our hands on these?
Thanks,
Jason


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Default 12-04-2017, 09:40 AM

Hopefully a few weeks. Going to finalize the wiring harness later today so we can get going on that production, while I continue working on the firmware and mapping.


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Default 12-04-2017, 11:03 AM

Thanks for the updates!


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blipit blipit is offline
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Default 12-06-2017, 07:38 PM

Quote:
Originally Posted by jason427
That's a bummer. I was stoked to hear twin turbo 6cy thinking it was going to be a beast after tuning... Oh well...
I may have to switch out sooner than later if it doesn't go low 12's - high 11's.
Jason
Twin? I thought new S4 was a single and RS5 has twins.
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George @ BMS George @ BMS is offline
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Default 12-07-2017, 05:57 AM

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Originally Posted by blipit
Twin? I thought new S4 was a single and RS5 has twins.
S4 is single. Engine is shared with SQ5, S5, Porsche Panamera and new Cayenne.
RS5 is twin engine shared with new RS4, Porsche Panamera S and new Cayenne S. Sensors are shared with S4 so most likely the same unit with a different tune will be compatible to these.


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Default 12-07-2017, 08:48 AM

Yeah my bad on that comment. Shows how little research I did before buying this one. I went to dealership for something else but saw this and jumped on it. I did not imagine the tuning potential for this car would be this limited. I am hoping for the best!
Jason


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Default 12-07-2017, 09:08 AM

Quote:
Originally Posted by George @ BMS
S4 is single. Engine is shared with SQ5, S5, Porsche Panamera and new Cayenne.
RS5 is twin engine shared with new RS4, Porsche Panamera S and new Cayenne S. Sensors are shared with S4 so most likely the same unit with a different tune will be compatible to these.
I'm hoping so!


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jomama jomama is offline
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Default 12-07-2017, 12:52 PM

Quote:
Originally Posted by jason427
Yeah my bad on that comment. Shows how little research I did before buying this one. I went to dealership for something else but saw this and jumped on it. I did not imagine the tuning potential for this car would be this limited. I am hoping for the best!
Jason
i'm sure upgrades to a larger turbo won't be too far off, as long as there's room and that it makes sense.
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Default 12-08-2017, 10:56 AM

I hope something makes sense.. LOL
I really like the car, just need it to be a decent amount faster.


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Default 12-08-2017, 11:04 AM

The turbo is easy to reach, so I'm sure we'll see movement on that end once the tuning is sorted.


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Default 12-08-2017, 03:32 PM

Quote:
Originally Posted by Terry @ BMS
The turbo is easy to reach, so I'm sure we'll see movement on that end once the tuning is sorted.
first b9 tuner into 10s right here (that's my guess). =D
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nicotino15 nicotino15 is offline
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Default 12-22-2017, 04:45 PM

new to the forum, just signed up as I noticed a lot more tuning conversation for the B9 S4 here then in audiworld or audizine, seems odd posting on a BMW forum though...

Anyways, really looking forward to the JB4, it seems ECU tunes on the newer platforms is either coming very slow, or maybe not at all.

Hoping for some before/after dyno comparisons soon. It's sounding more and more like turbo upgrades required to make big hp.
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04chase 04chase is offline
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Default 12-31-2017, 09:19 AM

just checked up on tuning on the Audi forum for the b9 s4. good to see bms on it. we had a n55 335 and loved what the jb4 did for costs and simplicity in aspect. I hope to see the same here Terry. I don't live far from you and hope to see you out at fontana once you dial in some fuel. I have my 09 CTS-V I just can't seem to sell because of my love for it. it is flexfuel enabled and makes 800 whp in daily form and 1150 whp in track form . I hope that the S4 and V can share a drink from the same well.

keep up the good work.
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Alessandro Alessandro is offline
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Default 01-04-2018, 10:29 AM

any updates Terry?


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Default 01-05-2018, 03:34 PM

Just waiting for production harnesses and boards to come in, and we'll start to hunt down some test cars.


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Alessandro Alessandro is offline
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Thumbs up 01-11-2018, 07:46 AM

excellent i am ready


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jeg_b9 jeg_b9 is offline
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Default 01-12-2018, 10:08 AM

Looking forward to this when ready
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Tbtbt Tbtbt is offline
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Default 01-15-2018, 05:23 PM

I'm picking up my S5 SB here in Canada this week. Let me know if you need someone to test up here in the cold
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ginster6 ginster6 is offline
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Default 01-22-2018, 09:48 AM

need a tester for B9 SQ5? in San Francisco
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jeg_b9 jeg_b9 is offline
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Default 01-23-2018, 12:35 PM

Hopefully get this soon!
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Alessandro Alessandro is offline
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Default 02-07-2018, 07:23 AM

update?


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Default 02-07-2018, 02:41 PM

Still waiting for the production harnesses. The JB4 SENT board itself is working well. Although every couple of days I'll get a false alarm fault code for one of the sensor outputs so I need to dig in to that.

Getting closer. But, new F series BMW stuff has been dominating development time lately. That should wrap up soon.


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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heavycrown heavycrown is offline
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Default 02-08-2018, 03:25 PM

Quote:
Originally Posted by Terry @ BMS
Still waiting for the production harnesses. The JB4 SENT board itself is working well. Although every couple of days I'll get a false alarm fault code for one of the sensor outputs so I need to dig in to that.

Getting closer. But, new F series BMW stuff has been dominating development time lately. That should wrap up soon.
Is the ECU adaptation for the piggyback solved for consistency in hp/tq gained? Also were you able to gain control of AFR? Lastly, will it control CEL for Stage 2 mods?
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