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M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > S55 Running full E85

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      09-21-2019, 10:59 AM   #1
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S55 Running full E85

I have searched for threads on this topic but have only found scattered replies across random threads.

Let's start a discussion on E85 setups. From my understanding is the M2 Competition can run a full E85 setup stock with no issues. Has anyone heard differently?

Also, if you were to make upgrades on the fuel/injection system, what would be appropriate to ensure no damage and a long life?

As for port injections, this is not needed on the S55 due to the HPFP?

Lastly, what are your guy's thoughts on running a water/methanol injection setup on a charge pipe in the S55?

My plan is to upgrade my down pipes, charge pipes, inter cooler, spark plugs, and intakes to run a full E85 Jordan Carry tune. Would anyone recommend that I upgrade to methanol injection in addition?

Any input is greatly appreciated, Thanks!



Currently this is my daily driver, but hopefully one day it will be my dedicated "track" car.
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      09-21-2019, 11:40 AM   #2
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You could always run a true flex fuel setup with Ecutek. You install a flex sensor which sends a signal to the canbus and the ecu calibrates the mapping for your ethanol content. As an example I was at 37% last week and 50% today. Then you don’t have to worry about going fully empty before filling with E85. You can also do on the fly map switching using the steering wheel buttons to switch between 4 maps. As an example you could have different power levels, fuels, or whatever your tuner comes up with. Imo this is the proper way to do things hence why I have it setup this way.
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      09-21-2019, 01:14 PM   #3
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If you're gonna run full E85 Carry Jordan is the tuner to go to plus bm3 is advanced and tried unlike other tunes. Change your spark plugs (ex:NGK 97506 gapped to 0.018 at 25 psi)
is pretty much all you need to do on the S55 to run 100% E85.
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      09-24-2019, 04:51 PM   #4
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Quote:
Originally Posted by Bimmer28312 View Post
If you're gonna run full E85 Carry Jordan is the tuner to go to plus bm3 is advanced and tried unlike other tunes. Change your spark plugs (ex:NGK 97506 gapped to 0.018 at 25 psi)
is pretty much all you need to do on the S55 to run 100% E85.
Don't need downpipes?
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      09-24-2019, 05:31 PM   #5
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Quote:
Originally Posted by CosmosMpower View Post
Quote:
Originally Posted by Bimmer28312 View Post
If you're gonna run full E85 Carry Jordan is the tuner to go to plus bm3 is advanced and tried unlike other tunes. Change your spark plugs (ex:NGK 97506 gapped to 0.018 at 25 psi)
is pretty much all you need to do on the S55 to run 100% E85.
Don't need downpipes?
According to his website, Hi-Flow downpipes are required are only required for specific stages and spark plugs.

www.Jordan-tuned.com/shop/bmw-s55-custom-tuning

Last edited by Detoxified; 09-24-2019 at 06:32 PM..
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