04-16-2023, 07:20 PM | #1 |
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Stage 2 LPFP or WMI?
Hey guys, what do you think is the better option to go? My vehicle is a EWG N55 335i with full bolt ons and a jb4. I already run e30 when I want to go faster and the vehicle loves the e85. But the closest e85 station is about an hours drive. That and e85 is more expensive than 92oct. Which has me leaning towards WMI. But which one would be more beneficial/add more power? Running a WMI kit while still running e30 or upgrade LPFP to run e50 or higher?
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04-16-2023, 09:34 PM | #2 | |
Check out my Youtube @n55david!
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Quote:
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2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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04-17-2023, 11:46 AM | #3 |
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Post above correct, HPFP maxes far before LPFP, you have some research to do to understanding fueling limitations on N55.
WMI vs ethanol is also discussed extensively. |
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04-27-2023, 03:21 AM | #4 |
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WMI. I am adding ~80hp beyond HPFP limitation with WMI.
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M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom tuned by PureBoost
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04-27-2023, 05:05 AM | #5 |
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Nice! What controller are you using for your WMI setup?
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04-27-2023, 10:12 AM | #6 |
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take note that harkes is not on stock turbo. he is on ps2.
here is his signature: M135i 8AT PWG, MHD, Pure Stage2, WMI via Torqbyte CM5-LT, Custom tuned by PureBoost
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04-27-2023, 09:45 PM | #8 |
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420hp on OTS PS2 map with 98RON
500hp on custom map with 98RON + meth
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04-27-2023, 10:01 PM | #9 |
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Buy the cheapest one you can find. Progressive meth/WMI is overrated. I basically run 0 or 100% with two huge meth nozzles and never had any problems. If I were to remake my setup I'd honestly just use a Hobbs switch. The amount of time I spent making duty-cycle maps and messing with safety settings is ridiculous.
Your DME will handle running out of meth like a champ. Injector shutdown will make sure there is enough fuel for the remaining cylinders. Tried this a few times even without meth - just because low on fuel. You could do a simple float switch for safety that either connect to a LED or cut ground to your boost actuator. Or, just check your meth level regulary and top up. I just have a 1 gallon tank and never ran out other than on purpose to test the safety.
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