GSR Technik 228i N20 ECU Flash Tune Now Available 50whp/90wtq |
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05-01-2015, 12:23 AM | #23 | |
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A modern ECU has a "torque model," which is why you hear people talk about "torque limiters" so much within the tuning industry. That means the car has an internal dyno graph so to speak and if it sees for instance boost is too high, it will compensate by pulling timing or closing the throttle and even by dumping fuel in an effort to protect the engine from over-boosting. A piggyback system achieves desired results by manipulating information the ECU receives in an effort to make more power, whereas an ECU tune changes the targets within the ECU itself so the torque model or internal dyno graph of expected power is raised. This means reliable and consistent power that the car is happy to see, so there is less of a likelihood to see a limp mode situation. Other side benefits - ECU tune can modify things like top speed limit, throttle response, rev limit, and deleting the check engine light caused by a free flowing exhaust. |
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05-01-2015, 06:46 PM | #25 | |
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05-01-2015, 06:50 PM | #26 |
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05-01-2015, 11:42 PM | #27 |
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Post videos pls GSR Autosport thank you
Other tuners except for BR-Performance have not cared much or posted info within the Non-M community so big props to you guys.
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05-02-2015, 09:58 PM | #28 | |
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05-04-2015, 01:04 PM | #30 |
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how does it feel? Lots of power down low but runs out of steam up top.
Needless to say not a knock, I understand the limits of an oem turbo. Must be a beast coming out of an apex though.
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05-04-2015, 01:11 PM | #31 |
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yes!
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05-04-2015, 02:31 PM | #32 |
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I want this - do you do ground shipping or faster shipping? cause whole week without my car isnt going to work lol
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05-04-2015, 03:00 PM | #33 |
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05-04-2015, 03:09 PM | #34 |
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Good job on delivering this to the community. The only thing you might want to disclose is that this is fully detectable by the dealers. The cars still use OBD2, but it comes with OBD3 recording capabilities, which stores all the data such as catless downpipes use, modified DME software, increased air counts, etc. We are dealing with this in the F10 M5 community now as plenty of cars have been losing warranties for being flagged while getting a simple oil change when they pull data from so called "black box".
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05-04-2015, 04:13 PM | #36 |
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Anyone knows if these tunes are safe? I hears lots of pple who mode later have to replace multiple parts around the engine to support the added power.
TIA
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05-04-2015, 04:13 PM | #37 |
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Very cool. My dealership has been pretty cool when it comes to mods (they resell dinan parts). Basically, if the car doesn't break because of the mod, then they don't care. However, it has been noted on my account that I track and modify my cars. So a day could be coming where they bring the hammer down. I hope it never happens as that would be the day BMW and I break up
How reliable is the car at this level of tuning? Same reliability at the track? Can you tune for 93 octane? (east coast, best coast!) Can I easily switch from Stage 1 to Stage 2, like on the JB4, or do I have to send the ECU back in and pay extra $$?
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05-04-2015, 04:55 PM | #39 | |
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05-04-2015, 05:16 PM | #40 | |
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I have been driving around in my tuned 1-series a few months now. I had a de-tuned and underpowered 116i with 136hp. Now close to 220hp. The difference is amazing :-D |
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05-04-2015, 06:46 PM | #41 |
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05-04-2015, 06:54 PM | #43 |
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05-04-2015, 09:07 PM | #44 | |
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So if you had a tune, then the manufacturer fixed a recall (as an example), updated your ECU (and they do NOT ask you if you take the car in - if the books say an ECU update is necessary they do it), your tune would be over written. You then need to send it back and get the tune either reinstalled and thus loosing the recall fix (or whatever reason the manufacturer felt they needed new software in the car). Or you wait for the tuner to come out with a new version that has the fix in it, then send it in. I don't know GSR, but ECU tuners usually don;t have a problem keeping you up to date. So all great news from GSR and I'm keen to keep an eye on M235i progress.
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