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BMW 3-Series (E90 E92) Forum
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328's N52 ECU Successfully Tuned by CS Tuning/LET Motorsports
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04-22-2009, 03:02 PM | #265 |
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he was talking about the adaptive part... the car adapts to how you drive it and when you disconnect the battery for a while, it resets this feature so the car re-learns.
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04-22-2009, 03:09 PM | #266 | ||
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In any case like Ben said, it will be learning off of the NEW tuned ECU maps so actually, it'd be more likely to go up than down or stay the same, especially if you are driving the car a little harder after the flash is installed. Tony did mention getting me back up on a dyno again sometime next month as a follow up, however I'm almost positive that if I drove the car like a grandma for the next month, I'd still hit the same numbers I put down right after the flash if not a hair better. |
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04-22-2009, 03:16 PM | #268 |
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oh of course... and I'm not gonna pass up a free dyno
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04-22-2009, 04:48 PM | #270 |
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Is there any sort of guarantee that this won't show up under service? I don't really see that outlined in the update post at the beginning. A lot of us can't afford to risk losing our warranty.
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04-22-2009, 04:49 PM | #271 |
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04-22-2009, 04:59 PM | #272 | |
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I had my car in for service last week, no detection of any codes or anything that would indicate something was found. If BMW did find the tune and there was a problem, yes you could be flagged or worse had your warranty voided, however the possibility of them actually seeing something was done would take some EXTENSIVE searching time on the GT1 computer and a VERY knowledgeable tech to do it all. My guess is with what they pay these guys, unless there is an indication of something going wrong with you car where they would actually NEED to look at the ECU mapping, you'll be safe because they won't want to waste the time and man hours to go hunting for something they aren't sure even exists. And if for some reason you will need to bring your car in for service because you are having problems with your engine or something, Tony can always ship you a computer to reflash yourself back to stock before you take the car in to the dealer. |
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04-22-2009, 06:41 PM | #274 |
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hows the fuel economy now? after i chipped my last turboed car the fuel economy turned to shit.... and the car was an automatic and i didn't drive it that hard
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04-22-2009, 07:22 PM | #275 |
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no actually I'm rated at 17/25 mpg's by BMW and the ride home I had a 28.6 avg so It must have gone up a little bit.
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04-22-2009, 07:24 PM | #276 |
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same thing i've noticed seth, as long as you don't get on it, you're mpg's will stay the same or even possibly improve.
These cars are gas guzzlers regardless if you floor it at every stop
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04-22-2009, 07:41 PM | #277 | |
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I'm not trying to bash the tune or anything - I'm just saying this is my experience, and the tune may or may not have anything to do with mpg. (Which is actually a good thing to get about the same mpg for more power.) |
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04-22-2009, 07:43 PM | #278 |
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different elevations, different driving techniques etc.... its going to depend what road you're on as well and what your general drive is. there is no sense in comparing what he got to what you get - like apples to oranges.
seth saw an increase of roughly 8%. as he saw an increase in mpg's, its likely that you would as well.
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04-22-2009, 07:43 PM | #279 | |
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I know you aren't bashing the tune, I'm just trying to answer everyones questions. |
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04-22-2009, 08:14 PM | #281 |
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you can do it now!!!
i think haha
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04-22-2009, 08:18 PM | #282 |
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yep.
its been "out" or "available" since I left the shop yesterday afternoon. |
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04-22-2009, 08:48 PM | #284 |
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yeah they have a ton of authorized dealers for their mercedes stuff
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04-22-2009, 09:09 PM | #285 |
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nice
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04-22-2009, 10:42 PM | #286 |
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how long is that special pricing going to last? i kinda wanna wait till that last dyno follow up
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