09-17-2018, 12:05 PM | #1 |
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Can our cars run e30 with tune?
As the the title states can our stock pumps handle an e30 mix with 91 backed by a flash tune or would upgrading pump still be required?
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09-17-2018, 12:13 PM | #2 |
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From what I've read, E30 is the upper limit of what the stock fuel system can handle, assuming you're properly tuned for it. It's definitely pushing it, let's put it that way...
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Instagram: rjd_f30 | Current: EBII 2013 335i 6MT RWD & Sprint Blue 2008 Audi RS4 | Retired: 2013 328i, 2000 XTerra, 2022 Civic Si |
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09-17-2018, 01:32 PM | #3 |
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Pretty much this. You can run E30 on the stock pump, although it stresses it out and you have a higher chance of pump failure. Upgrading the LPFP is relatively cheap and easy install (minus your hands smelling like gas and bonus points if you spill gas in your car). Don't waste your time on running it without a supporting tune, as you won't see any gains (potentially a loss of).
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2013 F30 328i: MHI Big Turbo, GFB DV+, Mishimoto CAI, ER TIC/CP/Catless DP, AWE Touring Quad Exhaust w/ Resonated Midpipe, NGK LI Plugs, BM3 with PTF Stage 2 91 AGG Tune, Fuel-it Stage 2 LPFP, Solowerks S1 Coilovers, and DEPO/M-Sport Retrofit |
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09-17-2018, 03:40 PM | #5 |
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09-17-2018, 11:59 PM | #6 | |
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Whole purpose honestly of running e30 and the map itself is to give a better octane rating since the 91 out here is terrible resulting in the ignition being low hoping the mix fixes the issue |
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09-18-2018, 06:23 AM | #7 | |
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09-18-2018, 08:57 AM | #8 | |
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2013 F30 328i: MHI Big Turbo, GFB DV+, Mishimoto CAI, ER TIC/CP/Catless DP, AWE Touring Quad Exhaust w/ Resonated Midpipe, NGK LI Plugs, BM3 with PTF Stage 2 91 AGG Tune, Fuel-it Stage 2 LPFP, Solowerks S1 Coilovers, and DEPO/M-Sport Retrofit |
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09-18-2018, 09:19 AM | #9 |
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+1. You can put rocket fuel into the tank, it still won't be a rocket. Higher octane offers the potential for higher performance, but only if ignition timing and boost pressure are altered to take advantage of that potential. If you do so performance gains are obtained at the cost of engine life and reliability.
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09-18-2018, 09:41 AM | #10 | |
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2013 F30 328i: MHI Big Turbo, GFB DV+, Mishimoto CAI, ER TIC/CP/Catless DP, AWE Touring Quad Exhaust w/ Resonated Midpipe, NGK LI Plugs, BM3 with PTF Stage 2 91 AGG Tune, Fuel-it Stage 2 LPFP, Solowerks S1 Coilovers, and DEPO/M-Sport Retrofit |
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