N54Tech.com - International Turbo Racing Discussion
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Bostons335i Bostons335i is offline
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Default E85 in NorthEast winter advice - 11-20-2020, 08:40 AM

Hey all ,

I was wondering if some e85 users could help me make a decision on weather or not to run the BMS e85 BEF with e40 through this upcoming winter? My car is a FBO with inlets and a stage 2 fuel pump , and I have been running an e30 mix ever since putting in that stage 2 pump just to help some timing corrections in the summer but still using the pump BEF. Ive read a bunch on this forum and on e90 post that people do run their car in winter but all the people who do seem to live in warmer climates. Im in Boston and we just had a 27 degree day already and on e30 the car had a tough time starting. I herd that many people can fix that by adding fuel to the start up, does the BMS flash have that as well? And just overall is this a safe thing to do on a daily driver with stock turbos? Please shed some light as im pretty confused and conflicted on what to do. The tuner at BMS has told me the only thing with the winter and e85 is a rough start up at times, is that really the only downside? How is daily aspect with the e85? And with e85 in winter in general? E85 users please help !

Ryan
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Bostons335i Bostons335i is offline
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Default 11-21-2020, 05:41 PM

Bump!
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Bostons335i Bostons335i is offline
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Default 11-23-2020, 11:04 PM

no one here runs e85 on their n54? lol
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BeatupVR4 BeatupVR4 is offline
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Default 11-24-2020, 06:28 AM

I'm in NH and we don't have good E85 access so I don't run it and probably never will. My take on it though would be tame back the tune and just run normal pump gas. I have a Forester on studded snows for the winter but also have studded snows on my E60 in case it needs to be driven and I see no reason to have more than stock power for the cold ass months. I had to run map 0 recently for my annual inspection and it'll probably stay on that until spring.
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Bostons335i Bostons335i is offline
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Default 11-24-2020, 06:29 PM

hey thank you for the reply! Yeah im not sure on what to do it seem like everyone on the fourms runs it thru their winters or atleast for when they hit the dyno so im still conflicted
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BMWSwede BMWSwede is offline
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Default 11-26-2020, 03:01 PM

I live in northern Sweden and daily my car on E40 all year.
In winter it can get as cold as -30. (Sometimes even colder)
Cant say i have had any issues at all. But ofc i use an electric pre-heater when it gets freezing.

But even if i forget to use it or have to leave in a hurry, the car always starts. It doesnt always sound happy, but it sure wouldnt on petrol either. ��


2007 E91 335Xi M-Sport MT
FBO W In/outlets
Custom BEF
Stock turbo @ 23psi
E40
440 AWHP
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Bostons335i Bostons335i is offline
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Default 11-26-2020, 03:11 PM

Hey thank you so much for replying! This is really good news to me because i was planning on using e40 with that e85 BEF if i decided to go with it. I was wondering what exactly is a pre electric heater? prob a noob question but had to ask lol!
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BMWSwede BMWSwede is offline
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Default 11-27-2020, 10:35 AM

I use one of these: Find your engine heater DEFA
(Not sure if link works) with connection cabels

There are probably lots of different brands.

Every engine has a different heater and
This heater is mounted on the oilpan to warm up the oil before starting the car. (The entire engine gets a bit warm, starting with the oil)


2007 E91 335Xi M-Sport MT
FBO W In/outlets
Custom BEF
Stock turbo @ 23psi
E40
440 AWHP
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Bostons335i Bostons335i is offline
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Default 11-27-2020, 02:44 PM

Quote:
Originally Posted by BMWSwede
I use one of these: Find your engine heater DEFA
(Not sure if link works) with connection cabels

There are probably lots of different brands.

Every engine has a different heater and
This heater is mounted on the oilpan to warm up the oil before starting the car. (The entire engine gets a bit warm, starting with the oil)
Hey thanks so much for the reply! I might go and try to do without it and if it gets too tough in the cold starts ill go ahead and give it a go. I was also looking more into e85 tunes and saw manny people add fuel for better start ups when cold im wondering if the BMS flash has this ? Hopefully Terry @ BMS or any one @BMS could chime in for this question! thank you again!
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