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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Dynoed: JB4 vs Carbahn

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      06-06-2022, 02:25 PM   #23
pbonsalb
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Dinan says pump and injectors not needed for E85. But you have to flash the E85 map and they are working on a DIY flasher but don’t offer that yet.
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      06-06-2022, 04:17 PM   #24
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Originally Posted by pbonsalb View Post
Dinan says pump and injectors not needed for E85. But you have to flash the E85 map and they are working on a DIY flasher but don’t offer that yet.
Thanks for the information. I will have to look into this in the future.
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      12-03-2023, 11:08 AM   #25
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Quote:
Originally Posted by scotty91ss View Post
I had Carbahn Stage 2 Power Package installed last week and was able to Dyno 3 scenarios. The hardware was installed first and then software changes were all done while the car was strapped to the Dyno to save time and $. It was a DynoJet and 2 runs of each tune were completed.

Existing upgrades: Akrapovic Exhaust, Secondary Cat delete.
Hardware Installed: CSF Charge coolers, Carbahn Heat Exchanger and Map Sensors

Results:

635 whp @ 6,720 rpm. 711 wtq @ 3,130 rpm JB4 Map 1

540 whp @ 5,290 rpm. 625 wtq @ 4,100 rpm Stock (JB4 Map 0)

665 whp @ 5,990 rpm. 733 wtq @ 3,100 rpm Carbahn Stage 3


Notes:
-94 Octane fuel
-elevation 3,400 feet

-At the track, JB4 Map 1 had better results than Map 2 or Map 3. So the test was done on Map 1.

-JB4 Map 1 was driven on for weeks. The Carbahn tune was immediately dynoed after installation. I would like to eventually rerun Carbahn on the dyno after weeks of driving on it.

-MOTORWERKES Calgary, Alberta did the installation. I experienced professional and knowledgeable staff as I was at their shop for over a day. The shop foreman and technicians were determined to provide a quality installation. The parts advisor and the service advisor were also very friendly and professional with their advice. It was my first time there and plan to return for future service.
just so i understand you have just the software and not the hardware for the stage2/3 carbahn ? if so, you put down solid numbers !! especially with no adaption. how would you compare drivability/power delivery between all tunes ?
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      12-03-2023, 12:34 PM   #26
pbonsalb
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Originally Posted by VT3M33 View Post
just so i understand you have just the software and not the hardware for the stage2/3 carbahn ? if so, you put down solid numbers !! especially with no adaption. how would you compare drivability/power delivery between all tunes ?
He wrote

Hardware Installed: CSF Charge coolers, Carbahn Heat Exchanger and Map Sensors

What is he missing?
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      12-04-2023, 06:43 PM   #27
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Quote:
Originally Posted by pbonsalb View Post
He wrote

Hardware Installed: CSF Charge coolers, Carbahn Heat Exchanger and Map Sensors

What is he missing?
ah i see, missed that, thank you thread police
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      12-05-2023, 12:42 AM   #28
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Originally Posted by VT3M33 View Post
ah i see, missed that, thank you thread police
You asked a question and it was answered. Don't get butt hurt because you can't read.
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      12-10-2023, 10:22 AM   #29
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You asked a question and it was answered. Don't get butt hurt because you can't read.
putting ice on my butt, anything else ?
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      12-13-2023, 08:52 AM   #30
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I don't understand the need to run E85 pure on this platform. Most of the fastest pump gas cars are running an average of E40 mix.

Why tax the fuel system to the ragged edge to run a full E85 when time and time again has proven not to work except in race car conditions??
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      12-16-2023, 01:27 PM   #31
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To anyone running the carbahn stage 1 can u mix alittle E85 to boost up the octane level??
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      01-22-2024, 09:12 PM   #32
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Quote:
Originally Posted by Eljeffrey13 View Post
To anyone running the carbahn stage 1 can u mix alittle E85 to boost up the octane level??
carban say's dont do it so why consider it ?
just put race fuel in it.
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      01-26-2024, 11:12 AM   #33
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Quote:
Originally Posted by Eljeffrey13 View Post
To anyone running the carbahn stage 1 can u mix alittle E85 to boost up the octane level??
you could but if you are not running an E85 map, you won't get much from it.
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