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Sirok Sirok is offline
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Default 2021 M340i JB4 DP 93 on E30 Custom Map Speed - 09-27-2021, 05:16 PM

Hi Everyone,

I have a 2021 M340ix JB4 EWG DP 93 on E30 Custom Map 6. The map was given to me by Terry and it feels very smooth.

I was curious to know if anyone else has this kind of a set up or at least on Map 4/5, and was able to get some draggy times? Maybe any dyno runs?

I can't seem to find anything online that has both JB4 and running on E.

Thank you!
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 09-27-2021, 05:46 PM

Our B58 map6 has been pretty widely used now, works nicely. I'll have to make it a built in map down the road.
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evan103207 evan103207 is offline
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Default 09-30-2021, 10:21 AM

Cool, up to what octane is safe to run on these B58's? I can buy X85L with an octane rating of 120 but mixing that to E30 with 93 pump would bring my octane over 100 compared to 95-96 with typical E85.
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Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Default 10-01-2021, 09:20 AM

Looks like X85 is leaded...so I wouldn't recommend leaded fuel.



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iiSonnyii iiSonnyii is offline
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Default 10-01-2021, 10:24 AM

Quote:
Originally Posted by Terry @ BMS
Our B58 map6 has been pretty widely used now, works nicely. I'll have to make it a built in map down the road.
Thanks for sharing, I will try this out later tonight
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evan103207 evan103207 is offline
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Default 10-01-2021, 10:47 AM

Quote:
Originally Posted by Steve @ BMS/Fuel-It!
Looks like X85 is leaded...so I wouldn't recommend leaded fuel.
lol good catch, shoulda known that's what the L stands for in X85L. Standard X85 is unleaded and 105 Octane (RON+MON/2)
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ssgm1x ssgm1x is offline
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Default 10-04-2021, 12:58 PM

I’ll try this Custom Map 6 next time I take my 2021 M340ix down to Atco Raceway and will see what it does. So far car ran 11.7sec on Map 3 with a splash of E85 to raise octane level.


2021 BMW M340ix w/JB4
2018 BMW M3 w/ECU Flash
10.6sec 1/4mi 6.6sec 60-130mph
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