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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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      04-14-2009, 08:00 PM   #67
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if yall get at least 15 or 20 whp on the 330i, then i will buy.



dude 20whp is a lot from just a flash on a naturally aspirated engine... lets not get too over excited here.

I think its realistic to say 10-15whp and about the same torque wise.

Besides what other mod for around $500 bucks do you know of for a N52 adds even 1/2 of that kind of power?
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      04-14-2009, 08:04 PM   #68
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also just for reference... take a look at what the E46 reflashes got here. We should really expect just about the same.

http://www.electrodyne.cc/Merchant2/...=200.90.16.201
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      04-14-2009, 08:47 PM   #69
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time to start boring and polishing!!
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      04-14-2009, 08:58 PM   #70
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might get a new pully
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      04-14-2009, 09:07 PM   #71
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very nice gains ! TIme to run to active now that i know gains over 2hp are possible lol
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      04-14-2009, 09:15 PM   #72
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very nice gains ! TIme to run to active now that i know gains over 2hp are possible lol
please explain....
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      04-14-2009, 09:22 PM   #73
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will the tune be able to bypass the car's adapt to driving habits feature?
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      04-14-2009, 09:24 PM   #74
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not sure but I'll ask Tony. I do know they delete a bunch of stuff out of the ECU like top speed limiter and all that... maybe thats part of it.

On a side note, I've also noticed I'm driving the car harder but still getting a hair better avg gas mileage.
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      04-14-2009, 09:39 PM   #75
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active has been looking for a car to tune for awhile just haven't had time.
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      04-14-2009, 09:43 PM   #76
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active has been looking for a car to tune for awhile just haven't had time.
ahhhhhh...

very cool, I'd love to see them do an S/C for this thing. Catch some 335's off guard
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      04-14-2009, 10:13 PM   #77
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rather buy a 335 and single side exhaust it
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      04-14-2009, 10:17 PM   #78
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rather buy a 335 and single side exhaust it
fair enough.... I'd still probably be coming out cheaper in the long run adding an S/C for $5000 than getting a 335.
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      04-14-2009, 10:19 PM   #79
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might get a new pully
yes yes excellent idea
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      04-14-2009, 10:23 PM   #80
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Quote:
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fair enough.... I'd still probably be coming out cheaper in the long run adding an S/C for $5000 than getting a 335.
you couldnt pay me to put a sc on my 330i...sounds like a nightmare/money pit waiting to happen. I'd take a stock 335 anyday. FI motors are engineered from the factory to be FI and n/a motors with a blower/snail never add up to a motor designed for boost
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      04-14-2009, 10:33 PM   #81
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Quote:
Originally Posted by UdubBadger View Post



dude 20whp is a lot from just a flash on a naturally aspirated engine... lets not get too over excited here.

I think its realistic to say 10-15whp and about the same torque wise.

Besides what other mod for around $500 bucks do you know of for a N52 adds even 1/2 of that kind of power?
haha yea true.i just want my car faster!..just get as much power possible
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      04-14-2009, 10:34 PM   #82
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well I agree but I'm just saying, i'd still be pretty cool.


having a 335 in the model line up now is probably WHY no company has done aftermarket FI on the e9x series... theres not much of a market for it.
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      04-14-2009, 10:34 PM   #83
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haha yea true.i just want my car faster!..just get as much power possible
who doesn't????
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      04-14-2009, 10:44 PM   #84
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Quote:
Originally Posted by UdubBadger View Post
not sure but I'll ask Tony. I do know they delete a bunch of stuff out of the ECU like top speed limiter and all that... maybe thats part of it.

On a side note, I've also noticed I'm driving the car harder but still getting a hair better avg gas mileage.
I think you might have gains temporarily, but over time as the engine "learns" how the driver's drive, i believe it adapts the engine to it ... I am just wondering if I drop 500 bucks on a tune, that it won't last temporarily and then I have to continuously reflash the CPU each time.

Please let me know how Tony has address this issue or if its even a issue at all.
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      04-14-2009, 10:49 PM   #85
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I think you might have gains temporarily, but over time as the engine "learns" how the driver's drive, i believe it adapts the engine to it ... I am just wondering if I drop 500 bucks on a tune, that it won't last temporarily and then I have to continuously reflash the CPU each time.

Please let me know how Tony has address this issue or if its even a issue at all.
will do
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      04-15-2009, 08:20 AM   #86
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yeah folks, let's not get ahead of ourselves here. I think the numbers you're getting, UdubBadger, are pretty decent for a NA engine. Unless the engine was poorly tuned from BMW, which I think is not the case here, single-digit gains at the wheel from a tune are pretty respectable

Quote:
Originally Posted by UdubBadger View Post



dude 20whp is a lot from just a flash on a naturally aspirated engine... lets not get too over excited here.

I think its realistic to say 10-15whp and about the same torque wise.

Besides what other mod for around $500 bucks do you know of for a N52 adds even 1/2 of that kind of power?
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      04-15-2009, 08:33 AM   #87
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+1. Realistically speaking, a tune is probably the best one could hope for for the N51/2 engines.

For the tuners, it doesn't make sense to FI a 325/28/30 which requires a hell of a lot more time and R&D effort than to develop a tune for N54. FI for 325/28/30 = $$$ to R&D, $$$ to sell = less potential customers. 335 tune = $ to R&D, $ to sell = more potential customer = more profit.

For the customers, personally speaking I would rather have a 335 with factory warranty than a SC on my 330i without a warranty.

Put it this way, BMW poured millions, if not billions, of dollar into developing the N54 engine and related components, yet they're faced wtih a faulty HPFP... Do you think a tuner can get it right the first time when they FI the N51/2 engines?

Quote:
Originally Posted by schneid View Post
you couldnt pay me to put a sc on my 330i...sounds like a nightmare/money pit waiting to happen. I'd take a stock 335 anyday. FI motors are engineered from the factory to be FI and n/a motors with a blower/snail never add up to a motor designed for boost
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      04-15-2009, 05:31 PM   #88
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Quote:
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+1. Realistically speaking, a tune is probably the best one could hope for for the N51/2 engines.

For the tuners, it doesn't make sense to FI a 325/28/30 which requires a hell of a lot more time and R&D effort than to develop a tune for N54. FI for 325/28/30 = $$$ to R&D, $$$ to sell = less potential customers. 335 tune = $ to R&D, $ to sell = more potential customer = more profit.

For the customers, personally speaking I would rather have a 335 with factory warranty than a SC on my 330i without a warranty.

Put it this way, BMW poured millions, if not billions, of dollar into developing the N54 engine and related components, yet they're faced wtih a faulty HPFP... Do you think a tuner can get it right the first time when they FI the N51/2 engines?
+1

I probably won't buy this tune just because I personally don't think its worth 500+ bucks. I have to pay just a much as the 335 guys pay for a tune but only get 6hp while there getting 80+ hp lol. I'm perfectly happy with my catback exhaust and its not a issue when it comes to warranty.

But i do have respect for the OP for the time and money he spent tiring to help us NA guys out.
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