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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Something Corny is smelling at Bimmer Performance Center...



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      05-14-2018, 03:33 PM   #1
Phil@BPC
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Something Corny is smelling at Bimmer Performance Center...

And its exactly what you think....


The wizard (Bob) is cooking up a E85 tune for N52's. Stay tuned as I will be updating this thread with graphs and dyno numbers




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      05-14-2018, 03:43 PM   #2
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Are you testing it on Alice or on another n52 car?
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      05-14-2018, 03:49 PM   #3
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Testing is being performed on another N52 car, this one belongs to one of our technicians.
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      05-14-2018, 06:39 PM   #4
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Damn... every time I think I got my last tune something new pops up. MILV’s, N54, now E85.

You guys should just keep my card on file lol
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      05-14-2018, 06:42 PM   #5
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but why? It's not like we need the octane.
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      05-14-2018, 09:28 PM   #6
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Off topic, are those 17 or 18" Apex wheels?
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      05-14-2018, 09:51 PM   #7
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Off topic, are those 17 or 18" Apex wheels?
x2 and also what suspension is he running?

E85 is cool too
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      05-14-2018, 09:57 PM   #8
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Getting so extra juice out of the last NA inline 6 bmw has made 10/10
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      05-14-2018, 10:27 PM   #9
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Quote:
Originally Posted by freedomfries View Post
Quote:
Originally Posted by Love The Drive View Post
Off topic, are those 17 or 18" Apex wheels?
x2 and also what suspension is he running?

E85 is cool too
Looks like a meaty 18x9 square set.
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      05-15-2018, 06:33 AM   #10
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Quote:
Originally Posted by Biginboca View Post
Damn... every time I think I got my last tune something new pops up. MILV's, N54, now E85.

You guys should just keep my card on file lol
Same! Holy moly...
Now I gotta wait!!!

Phil give props to your b0i!
My car used to be a carbon copy minus the wheels!
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      05-15-2018, 08:00 AM   #11
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Quote:
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but why? It's not like we need the octane.
+1

As ethanol has less energy than petrol, any additional octane in an engine which is not knock limited is likely to cost power.
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      05-15-2018, 08:02 AM   #12
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Quote:
Originally Posted by nsjames View Post
but why? It's not like we need the octane.
that's what they're testing

It's not like the N52 needed forced induction when the N54/N55 exists, but we got that too.
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      05-15-2018, 08:08 AM   #13
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Maybe they can advance the timing more with the E85 and get more power.
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      05-15-2018, 08:51 AM   #14
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Maybe they can advance the timing more with the E85 and get more power.
They might be able to get the motor to hold a more stable advance without reducing the load and knock load management effectiveness.
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      05-15-2018, 09:01 AM   #15
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It makes more power, but the N52 isn’t high enough compression to take full advantage of it.

People with FI would see more of a benefit, otherwise it’s really neat to run on full ethanol. It’s cheap, adds more power and I be the car runs at peak all the time. Can’t wait to see the results.
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      05-15-2018, 09:38 AM   #16
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Will this be available for the N51 as well?
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      05-15-2018, 10:09 AM   #17
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Currently we are testing drivability and getting part throttle maps dialed in. WOT pulls on the dyno are showing power increase and yes, if you have a blower car, you'll seen gains in the 25 - 40rwhp range On the n51, I dont have a test car, but once Im done with the n52 testing I'll make a post to see if anyone wants to beta test remotely.

They are 17s btw
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      05-15-2018, 10:36 AM   #18
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Quote:
Originally Posted by Bob@BPC View Post
Currently we are testing drivability and getting part throttle maps dialed in. WOT pulls on the dyno are showing power increase and yes, if you have a blower car, you'll seen gains in the 25 - 40rwhp range On the n51, I dont have a test car, but once Im done with the n52 testing I'll make a post to see if anyone wants to beta test remotely.

They are 17s btw
Fantastic news!
I knew they were, I have the same wheels
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      05-15-2018, 11:11 AM   #19
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Quote:
Originally Posted by Bob@BPC View Post
Currently we are testing drivability and getting part throttle maps dialed in. WOT pulls on the dyno are showing power increase and yes, if you have a blower car, you'll seen gains in the 25 - 40rwhp range On the n51, I dont have a test car, but once Im done with the n52 testing I'll make a post to see if anyone wants to beta test remotely.

They are 17s btw
Ooooooooooooo
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      05-15-2018, 12:58 PM   #20
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Quote:
Originally Posted by Bob@BPC View Post
Currently we are testing drivability and getting part throttle maps dialed in. WOT pulls on the dyno are showing power increase and yes, if you have a blower car, you'll seen gains in the 25 - 40rwhp range
That right there!!

Now if you can also do an inline ethanol sensor that would be fantastic.
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      05-16-2018, 06:58 AM   #21
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Quote:
Originally Posted by Bob@BPC View Post
Currently we are testing drivability and getting part throttle maps dialed in. WOT pulls on the dyno are showing power increase and yes, if you have a blower car, you'll seen gains in the 25 - 40rwhp range On the n51, I dont have a test car, but once Im done with the n52 testing I'll make a post to see if anyone wants to beta test remotely.

They are 17s btw
Tell me more about this remote testing.
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      05-16-2018, 08:51 AM   #22
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Quote:
Originally Posted by CobraMarty View Post
That right there!!

Now if you can also do an inline ethanol sensor that would be fantastic.
I can always talk with the guys from MHD(partners) and I know Jake from Motiv Motorsport

https://www.motivmotorsport.com/prod...el-for-mhd-bmw
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