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      05-10-2020, 01:21 PM   #63
WeekendWarriorz
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Drives: 2006 Z4M
Join Date: Jan 2017
Location: Anaheim Hills, CA

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Originally Posted by ZeD4Mr View Post
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Originally Posted by WeekendWarriorz View Post
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Originally Posted by ZeD4Mr View Post
So with this installed, it can use pump gas (91-94 AKI), different blend of e85 as well as mix of both in the tank case where I can't find e85 around?

The sensor will adjust itself where e85 only will yield the most performance?

TIA,
Correct, you can use 91 octane all the way to straight e85 with any mix in between e10-e85 and the kit will adjust. No tuning needed!
Thanks a bunch .. might give it a shot this season..

I'm still quite confused about this ethanol matter.

normally I use the highest octane possible for our engine. (Shell 91 or Chevron 94 with 0% ethanol)

but with this kit, running straight ethanol yields better performance? care to elaborate?

much thanks,
Ethanol (e85) is rated at 105 octane. Since it has alcohol inside it which provides additional cooling benefits it almost has the octane rating of 130+ octane. You can see that a bone stock car gained nearly 33whp.
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2006 Z4 M Roadster Black/Imola Red, FBO VF-Engineering, e85 Flex Fuel-Sold
2012 BMW 135i N55 DCT Alpine White/Coral Red, FBO, TBI, Full e85, JB4 BEF-Sold
2006 Z4 M Roadster Black/Black-Sold
2021 M2 Competition DCT Hockenheim Silver
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