ECU-flashes and aftermarket FMIC's

e.n335 · 07-01-2008, 01:10 PM

Hi,

I'm quite some time on the forum and use the Noelle ECU-flash now after some other engine-tuning mod's.

I apply engine performance mods very slow, just to be sure that all applied mods up to now work flawless. My Spearco FMIC will be installed on July 14th. The turbos will work not that hard due to reduced pressure drop, IAT will be cooler, so a great supporting modification.

But what will be the power gain without changing the maps of the ECU ? My car makes 373.5 bhp currently. I will dyno my car some time after the FMIC upgrade.

I am very curious about it.

Cheers,
Eugen

satakal · 07-01-2008, 01:31 PM

closing threads = quiet

I think I'm gonna regret this post.
________
LITTLESWEETY

luca335i · 07-01-2008, 01:37 PM

Im goin to be adding an FMIC with my Dinan flash real soon. I heard about having some lag with FMICs and are only needed at high boost levels 14psi+.
I will not have a custom map for my FMIC because I only have stage 1 flash, but I will dyno it after to see. Id like to see a dyno Eugene after you install the FMIC. Have you ever thought about getting an intake as well? What are Noelle's thoughts on these bolt ons your adding. Are they custom tuning your car after everythings installed?

tek818 · 07-01-2008, 01:41 PM

Your threads have been extremely newb'ish lately eugen. What happened to the engineer?

luca335i · 07-01-2008, 01:44 PM

Quote:

Originally Posted by tek818

Your threads have been extremely newb'ish lately eugen. What happened to the engineer?

And are you supposed to be some expert?

Rips335iCoupe · 07-01-2008, 01:48 PM

Top line is after adding RPi IC.

scottp999 · 07-01-2008, 01:52 PM

Quote:

Originally Posted by Rips335iCoupe

Top line is after adding RPi IC.

You didn't dyno after the hartge spoiler???

Seriously, great data to look at. Thanks.

e.n335 · 07-01-2008, 01:55 PM

Hey, I am more a politican than an engineer these days ... guys, I need some holidays ...

e.n335 · 07-01-2008, 01:56 PM

Quote:

Originally Posted by Rips335iCoupe

Top line is after adding RPi IC.

Nice gain, thank you

luca335i · 07-01-2008, 02:18 PM

Quote:

Originally Posted by Rips335iCoupe

Top line is after adding RPi IC.

What is the evo tech flash?

Sniz · 07-01-2008, 02:39 PM

You will see gains, probably 10-20whp just like the posted dyno. The more important gain is the better flow characteristics and reduction in IAT across the board.

Eugene, you really should dyno before and after FMIC if you can.

e.n335 · 07-01-2008, 02:57 PM

Quote:

Originally Posted by Sniz

You will see gains, probably 10-20whp just like the posted dyno. The more important gain is the better flow characteristics and reduction in IAT across the board.

Eugene, you really should dyno before and after FMIC if you can.

I have a dyno before the FMIC. I'll do one after the FMIC installation. The ECU adaption time when you have an ECU-flash is rather long, what I experienced. I'll have do do 600-700 miles with the Spearco FMIC in advance of the next dyno.

Cheers,
Eugen

Sniz · 07-01-2008, 03:03 PM

Quote:

Originally Posted by e.n335

I have a dyno before the FMIC. I'll do one after the FMIC installation. The ECU adaption time when you have an ECU-flash is rather long, what I experienced. I'll have do do 600-700 miles with the Spearco FMIC in advance of the next dyno.

Cheers,
Eugen

really??? I would think just the opposite? The ECU shouldnt have to adapt to new code, it should just react right? I can understand an adaptation period on a piggyback.

e.n335 · 07-01-2008, 03:09 PM

Quote:

Originally Posted by Sniz

really??? I would think just the opposite? The ECU shouldnt have to adapt to new code, it should just react right? I can understand an adaptation period on a piggyback.

I had a pretty rough idling after the ECU-flash. It's fine now, 800 miles after battery reset. Boost is reproduceable ( gas pedal ) now all of the time. It took some time. The Noelle tune is a 14 psi tune. I have seen 15.5 psi boost spikes during shifting ( 6AT ) on really hot days. Darn global warming.

Sniz · 07-01-2008, 03:11 PM

Quote:

Originally Posted by e.n335

I had a pretty rough idling after the ECU-flash. It's fine now, 800 miles after battery reset. Boost is reproduceable ( gas pedal ) now all of the time. It took some time.

hmmm heard that about the Dinan flash too, rough idle at 1st.

StarrDlux · 07-01-2008, 06:41 PM

in a real world scenario the intercooler will give you better auto-x or streetlight back to back runs but not necessarily real gain. the stock intercooler is quite good at 100mph. your bigger intercooler is going to be better at low speeds.

but too much intercooler will induce lag.

you probably won't see realized world gains with a mild tune (dinan) if you just roll around (freeway) but i'm sure those who punish their cars in auto-x or extreme heat would re-gain the lost hp.

a dyno is very extreme due to lack of airflow so that is where you'd probably see maximum gain

07-01-2008, 01:10 PM	#1
e.n335 Moderator 279 Rep 4,481 Posts Drives: e93 ///M3 DCT, 07/2009 Join Date: Feb 2007 Location: Switzerland, ZH iTrader: (0)	ECU-flashes and aftermarket FMIC's Hi, I'm quite some time on the forum and use the Noelle ECU-flash now after some other engine-tuning mod's. I apply engine performance mods very slow, just to be sure that all applied mods up to now work flawless. My Spearco FMIC will be installed on July 14th. The turbos will work not that hard due to reduced pressure drop, IAT will be cooler, so a great supporting modification. But what will be the power gain without changing the maps of the ECU ? My car makes 373.5 bhp currently. I will dyno my car some time after the FMIC upgrade. I am very curious about it. Cheers, Eugen
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07-01-2008, 01:31 PM	#2
satakal Major 101 Rep 1,476 Posts Drives: e46 Join Date: Nov 2007 Location: socal iTrader: (2)	closing threads = quiet I think I'm gonna regret this post. ________ LITTLESWEETY Last edited by satakal; 08-16-2011 at 06:28 PM..
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07-01-2008, 01:37 PM	#3
luca335i Major 61 Rep 1,193 Posts Drives: 335I Sedan Join Date: Jan 2008 Location: Unknown iTrader: (3)	Im goin to be adding an FMIC with my Dinan flash real soon. I heard about having some lag with FMICs and are only needed at high boost levels 14psi+. I will not have a custom map for my FMIC because I only have stage 1 flash, but I will dyno it after to see. Id like to see a dyno Eugene after you install the FMIC. Have you ever thought about getting an intake as well? What are Noelle's thoughts on these bolt ons your adding. Are they custom tuning your car after everythings installed?
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07-01-2008, 01:41 PM	#4
tek818 Lieutenant Colonel 140 Rep 1,953 Posts Drives: 2020 X3M Competition Join Date: Mar 2007 Location: Los Angeles, CA iTrader: (2) Garage List 2018 M3 ZCP [9.50]	Your threads have been extremely newb'ish lately eugen. What happened to the engineer? __________________ 2020 F97 X3M Competition (current) - 2018 F80 M3 Competition - 2015 F82 M4 - 2012 E82 135i - 2010 E92 335i - 2007 E92 335i
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07-01-2008, 01:48 PM	#6
Rips335iCoupe Banned 31 Rep 947 Posts Drives: 2007 BMW 335i Coupe Join Date: Aug 2007 Location: Goodyear, AZ iTrader: (1) Garage List 2007 335i Coupe [0.00]	Top line is after adding RPi IC.
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07-01-2008, 01:55 PM	#8
e.n335 Moderator 279 Rep 4,481 Posts Drives: e93 ///M3 DCT, 07/2009 Join Date: Feb 2007 Location: Switzerland, ZH iTrader: (0)	Hey, I am more a politican than an engineer these days ... guys, I need some holidays ...
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07-01-2008, 02:39 PM	#11
Sniz Lieutenant General 680 Rep 10,584 Posts Drives: e92 335 - gone // e36 M3 turbo Join Date: Mar 2007 Location: Ellicott City, MD iTrader: (1)	You will see gains, probably 10-20whp just like the posted dyno. The more important gain is the better flow characteristics and reduction in IAT across the board. Eugene, you really should dyno before and after FMIC if you can. __________________
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07-01-2008, 06:41 PM	#16
StarrDlux Pussycat's Meow 9 Rep 682 Posts Drives: '08 335i montego \| Stock Join Date: May 2008 Location: Midtown (Altanta) iTrader: (0)	in a real world scenario the intercooler will give you better auto-x or streetlight back to back runs but not necessarily real gain. the stock intercooler is quite good at 100mph. your bigger intercooler is going to be better at low speeds. but too much intercooler will induce lag. you probably won't see realized world gains with a mild tune (dinan) if you just roll around (freeway) but i'm sure those who punish their cars in auto-x or extreme heat would re-gain the lost hp. a dyno is very extreme due to lack of airflow so that is where you'd probably see maximum gain __________________ 2008 335i montego \| stock 2002 A4 1.8TQS \| APR 1+ 1990 VW Corrado \| Stage 4 by SNS
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