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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 > 328's N52 ECU Successfully Tuned by CS Tuning/LET Motorsports



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      04-11-2009, 03:01 PM   #1
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Eurocharged Tuning For The N52

****UPDATED 4/21/09****
Ok so here is the story. I went down to Chicago on April 10th and worked with Tony from the Eurocharged team on my 328 and successfully reflashed the ECU on the car. We only had a short time to work with on the car we were able to pull out some power from changing the ECU maps. The drive back up here to Madison was quite enjoyable... the car was pulling harder than I had ever felt. J BONE and I enjoyed some nice pulls on the highway in the car and both agreed this was going to be something good. Tony told me this was the 1st dynoed (and thus officially "tuned") N52 he's done, so they just started me out with the map they created but were not able to tweak anything due to our time shortage.

Last week, Tony and I set up a date (which was today) to get back on a dyno because he wanted to play around with the maps some more, Tony felt like there was still a bit more tweaking possible to get more power out of the car... he was right.

My gains after the 1st tune were:
6whp
9ft/lbs torque (peak)

The car felt stronger in the mid range rpms and that is because we had the torque spiking up at about 4500 rpms but we didn't gain much horsepower and although the increase felt nice, it was a bit "jerky" at times... the power just came out of nowhere and disappeared just as quickly.


This time around, we were able to try some different variations and finally got what we were looking for... nice smooth gains in both torque AND hp.

Gains after round 2 were:
12whp
6ft/lbs wheel torque (peak gain but gained a lot more in the mid range)



Above you'll see the dyno sheet (sorry I need to rescan it, got lost on the site that was hosting it). Blue is torque, Red is hp and if you look closely you'll see the lighter colors are the baseline running stock and the darker ones are after the tune (sorry they aren't more color defined... just remember obviously the numbers went up, not down).

You will notice a few things here:

1. Torque is increased not only for a short band in the rpm's, but all throughout which makes the car pull a little harder from start to finish... it also feels MUCH smoother like it should. It is hard to see in the dyno graph because its zoomed out so much, but the torque curve is actually a little flatter and higher up in the low rpms which means even though it gained only 6 (peak), it went up about 8 to 10 in the part of the rpm band that counts (2500-4500 rpms).

2. HP went up as well. Unlike the torque curve, it actually gains more as you get higher in the rpm band (meaning the gap widens the higher you go). The peak HP was also extended from 6200 rpms to 6500 before it starts to dip back down.


GAINS
I have determined by using some math and some knowledge from Tony and one of the techs, that my drive train loss factor is appx 20% (AWD). Also, I have been told a Mustang dyno reads about 10% less than a dyno jet or dyno dynamic so if we factor that into the numbers:

12hp x 1.3 = Almost 16 (15.6) hp at the crank
6ft/lb x 1.3 = 8ft/lb at the crank

So that is uniformly what you should see in gains 16hp & 8ft/lb when factoring in any drive train loss between rwd and awd or by loss on the dyno itself.


This was the 1st dynoed N52 tune to my knowledge and after a VERY long wait for us N52 owners, and some positive results to show for Tony's hard work... us NA guys finally have something to look forward to in adding some significant power to our cars.




Here is a link to their website... probably no info on the tune for the N52 just yet but you can poke around if you like. I would try to contact them directly about tuning the N52 motor.
http://www.eurocharged.com


3 options for getting the tune would be:

1. If you are in Chicago you can have Tony and the Eurocharged team install the tune for you in person. - (This is the best option for any 330/325 guys because a specific reflash has not been made for your cars yet, they will most likely base it off of the 328 flash but tweaking could be necessary.)
2. They can ship you the tuning computer to hook up to your car and download the maps, all you have to do is send back the tool after the tune is downloaded into your ECU. - (This will require a credit card number just in case... we are dealing with expensive equipment here.)
3. You can send in your ECU to them and they will do it for you and send the tuned ECU back to you.
4. You also might be lucky enough to catch Tony and the Eurocharged team in your area... they travel a lot so contact them to find out.
5. **UPDATED 3/23/10** Eurocharged is now selling hand held flashing units to go with the tune (for an extra price obviously). For all of you concerned with not being able to flash back or remove the tune for service you can now use the hand held flashing units with the tune to go back and forth from stock/tuned at your leisure.

Check out the website for more info.
THIS TUNE IS GUARANTEED FOR THE LIFE OF THE VEHICLE.
If any upgrades are made to any of these tunes you will be entitled to the latest version of the flash at no extra cost!

Tony and the Eurocharged guys have been phenomenal to work with, I HIGHLY recommend them!!!!

Thanks Tony

-Badger

Last edited by UdubBadger; 03-24-2010 at 03:40 PM.
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      04-11-2009, 03:06 PM   #2
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This is great news Badger! keep us posted
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      04-11-2009, 03:07 PM   #3
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I look forward to seeing the numbers! can't wait!!
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      04-11-2009, 03:08 PM   #4
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Sweet, glad to hear some new toys coming out... ask your buddy about a 330 ECU...please lol
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      04-11-2009, 03:18 PM   #5
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glad to see it went well Seth!
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      04-11-2009, 03:22 PM   #6
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n54s ftw !!!!!

jk sweet to see your car come alive on the dyno.
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      04-11-2009, 03:40 PM   #7
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whoa! Nice! I've love hear more about this stuff!
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      04-11-2009, 03:42 PM   #8
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chicago huh?

where are they located? I live right in downtown Chi
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      04-11-2009, 06:22 PM   #9
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Quote:
Originally Posted by MemphisRheins View Post
Sweet, glad to hear some new toys coming out... ask your buddy about a 330 ECU...please lol
I'm about 99% sure the 330 is no problem for them to tune also... not sure the potential on gains compared to a 328 but it should be similar.

Quote:
Originally Posted by BigDog View Post
chicago huh?

where are they located? I live right in downtown Chi
Their office is in Plainfield however they do tunes all across the country. They were in cali a few weeks ago I believe and are headed out to the east coast sometime in the next week or two.

They don't have their own dyno at the moment so they've been using a few different shops as they go along.
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      04-11-2009, 06:33 PM   #10
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Quote:
Originally Posted by UdubBadger View Post
Ok so I hate to start this off with a teaser but I have a tee time in about 25 min I need to get to. Basically here is the short of it. I went down to Chicago yesterday and worked with Tony from CS Tuning on my 328 and successfully reflashed the ECU. I will post up the exact baseline and post flash numbers when Tony gets back to me but after only a short time to work with we were able to pull out a few more ponies from the engine and most noticeably some more low and mid range torque. The drive back up here to Madison was quite enjoyable... the car pulls harder now from about 2500-5k rpms. I am setting up another date to get back on a dyno with Tony and the guys at CS Tuning because we think there is still a bit more they can tweak to get a little bit more power out of the car.

Stay tuned and I'll edit this post when I have all the correct numbers from Tony and possibly a dyno sheet to show our initial gains.

This was the 1st dynoed N52 tune to my knowledge and after a VERY long wait for us N52 owners, and some positive results to build on... us 328 guys finally have something to look forward to in adding some significant power to our cars.



-Badger
how significant? can u throw out some estimated numbers...
can't wait for the dyno results.
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      04-11-2009, 06:36 PM   #11
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what are the estimated #'s at the moment? and estimated $
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      04-11-2009, 08:48 PM   #12
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Because every engine is different its hard to say... plus we were working on a very small amount of time with a few limiting factors:
1. It was on a Mustang Dyno so the numbers are usually a little lower than on most other dynos.
2. I have an xi so I lose close to 20% of power between the crank and the wheels... a rwd bmw will only lose about 8-10% normally.
3. I have a burnt up clutch so I don't think they ran it as hard as they could've nor got as clean of a pull as they would have liked to.

With all of that being said, I think its best not to put up an actual number right now but I promise I will very soon... I don't want to over/under estimate just to be fair to Tony and LETMotorsports and also to anyone who might want this tune so they don't expect more than they can actually do.

I can tell you however that they are aiming to get about 10-15hp (about the same in torque) out of these tunes and after driving 150 miles with it on the car, I have noticed a significant difference in the mid range pull, mostly in 3rd and 4th gear. With a little bit of tweaking and a new clutch I think this car will be up there with a stock 330i if not quicker.

I don't know about the price because I think they are still working that out right now but I would assume somewhere around the $400-800 range would be a fair estimate.

Last edited by UdubBadger; 04-16-2009 at 10:17 PM.
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      04-11-2009, 08:50 PM   #13
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they got 9 whp and 15 ft lbs of torque on a m3 today. should show you the potential for the N/A crowd. Completely undetectable.
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      04-11-2009, 08:51 PM   #14
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Was that the e92 or e46?
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      04-11-2009, 08:52 PM   #15
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that was the e90
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      04-11-2009, 08:53 PM   #16
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nice
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      04-12-2009, 12:08 AM   #17
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so there will be small amount of horsepower gain for a 330i?
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      04-12-2009, 12:33 AM   #18
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yes, 325/328/330 all use the N52 engine so they are all tuneable
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      04-12-2009, 02:58 AM   #19
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hmm so $400-800 for approx 10-15hp? i have an Xi too
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      04-12-2009, 03:57 AM   #20
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thats nice to hear badger, i was the first test car for this tune. Tony is a nice guy.
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      04-12-2009, 10:34 AM   #21
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I rode in the car before and after, def difference after the flash! Congrats bro. Huge props to Tony and CS Tuning for all their rnd.
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      04-12-2009, 11:35 AM   #22
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Hey everyone, I edited the 1st post with the correct numbers Tony got me this morning.

After only 1 try mapping the ECU we made 6hp and 9 ft/lbs at the wheels.

I will keep everyone updated when I get back on a dyno in a few weeks and try to get a little more power by tweaking the maps.
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