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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > Ethanol (must read) n20/26
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      06-13-2020, 10:32 AM   #45
sqwinny
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uh if you have bm3 you can flash whatever you want. magically adding e85 isnt going to make the car faster unless the tune calls for it.
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      06-13-2020, 10:42 AM   #46
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uh if you have bm3 you can flash whatever you want. magically adding e85 isnt going to make the car faster unless the tune calls for it.
It's not about faster... he just want to run on ots91 map safer without detonation according to PTF... because he live in California and using 91 he should go acn91.

I keep telling him to take PTF advice and go acn91 then if he can really get quality 91 octane gas where he live then buy the map bundle from PTF. Damn fool is to cheap to buy the bundle. I told him that no matter what your location gas quality sucks.
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      06-13-2020, 11:47 PM   #47
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Quote:
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Originally Posted by sqwinny View Post
uh if you have bm3 you can flash whatever you want. magically adding e85 isnt going to make the car faster unless the tune calls for it.
It's not about faster... he just want to run on ots91 map safer without detonation according to PTF... because he live in California and using 91 he should go acn91.

I keep telling him to take PTF advice and go acn91 then if he can really get quality 91 octane gas where he live then buy the map bundle from PTF. Damn fool is to cheap to buy the bundle. I told him that no matter what your location gas quality sucks.
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Originally Posted by sqwinny View Post
uh if you have bm3 you can flash whatever you want. magically adding e85 isnt going to make the car faster unless the tune calls for it.
It's not about faster... he just want to run on ots91 map safer without detonation according to PTF... because he live in California and using 91 he should go acn91.

I keep telling him to take PTF advice and go acn91 then if he can really get quality 91 octane gas where he live then buy the map bundle from PTF. Damn fool is to cheap to buy the bundle. I told him that no matter what your location gas quality sucks.
Yeah that ACN tune is specifically for those in: Arizona, Cali, & Nevada..
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      06-14-2020, 12:00 AM   #48
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It's not about faster... he just want to run on ots91 map safer without detonation according to PTF... because he live in California and using 91 he should go acn91.

I keep telling him to take PTF advice and go acn91 then if he can really get quality 91 octane gas where he live then buy the map bundle from PTF. Damn fool is to cheap to buy the bundle. I told him that no matter what your location gas quality sucks.
acn tune is for the piss gas along the west coast. adding e85 isnt going to make it safer/faster due to increasing octane. you can increase octane with e85 however the volume of e85 vs 91 gas make it an issue for running a tune safely.
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      06-14-2020, 12:37 AM   #49
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acn tune is for the piss gas along the west coast. adding e85 isnt going to make it safer/faster due to increasing octane. you can increase octane with e85 however the volume of e85 vs 91 gas make it an issue for running a tune safely.
Got it thanks, I recommend to him to just buy the map bundle. For some reason his log is all over the place with the OTS 91 map as confirmed by PTF.

It is so weird as my fully stock F36 with N26 on OTS91...have no problem with 91 octane her in LA California.
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      10-21-2020, 01:36 PM   #50
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Originally Posted by IssaF32 View Post
That's exactly what I'm doing, considering I've ran E30 without the proper pump and I started stalling. Stock pump wasn't producing enough pressure to keep up with the ethanol. So I would stall. But I'm getting the fuel pump so I should be good and bootmod3 is happening tomorrow
How did it work out? You can run e30 on stock fueling??
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      10-21-2020, 04:12 PM   #51
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It works but it depends on how well your stock fueling set up health is. Runs good and fine on e30 stage 2 fbo, but it's not a crazy difference compared to the 91 or 93 map via butt dyno.
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