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Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications Jb4 e100 b48 2023

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      04-10-2023, 11:36 AM   #1
leocandrade
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Question Jb4 e100 b48 2023

Hi There,

I just bought a 2023 320i in Brazil (b48). It's capable of E100 fuel. In Brazil the Minimum Gas Mixture is E27 (RON 93) and cars sold here are able of any mixture from E27 to E100 (RON 110).

I also purchased a JB4 brand new with EWG connector.

As far as the car is under warranty, I'll make no physical changes on it (just the Jb4).

I have two questions:

1- What is the best JB4 Map to use considering Power/Reliability/Low Warranty Risk in the Stock Car?
2- What fuel should I use for this map?

Thanks in advance for your help.
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      04-28-2023, 07:32 PM   #2
cilas
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Hello my friend. I’m from Brazil as well and I bought the JB4 from Performance by Rafa. He gave me a Custom Map 6 for our “comun” gas. I didn’t feel too much of difference so I asked for the JB support for a map. They said to me that for our gas the Map 1 would be fine.
Looking in the log it really pools a little more than Rafa’s custom map, but i know this engine can do alooot more.
Still wondering if we could use E100 with a higher map like Map3.
Have tou tried E100?
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320i, b48, ethanol, g20, jb4, map, warranty

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