12-31-2022, 10:22 PM | #1 |
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Piggyback Tune Recommendations
I just got a 23 m340i and I'm just planning for the future but what are some of the best piggyback tunes on the market. I don't know if I want to go the ECU unlock route until after warranty and kinda just want to tune it to get some more juice
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01-01-2023, 12:34 AM | #2 |
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Drives: 2023 M340xi Portimao Blue
Join Date: Aug 2018
Location: FL
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Congrats on the new ride! Here's a recent thread that has some good information.
https://g20.bimmerpost.com/forums/sh....php?t=1956589 |
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lithe31.00 |
01-03-2023, 09:31 PM | #4 | |
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True a flash will likely be pro-actively detected by the dealer and your car may be "flagged" (my Mission Performance flash does not get picked up - but that's another story - that has to do with a few variables) but that doesn't matter - it just means that if the poop hits the fan the dealer will know your car was flashed. But at the same time if the poop hits the fan on your piggybacked car the dealer will deep dive and the piggyback presence will be found out. Some claim piggybacks are getting pro-actively flagged as well (even if removed) but I'm not sure if that's true or not and in that I am flashed I have no way of knowing. Regardless the story ends the same way So that's the bad news - the good news is that a well designed piggyback or flash has proven to be very safe for the B58 motor Congrats on the new car! Looking forward to updates ps- if it were me I would piggyback and then wait for a state side unlock - while the flash tunes deliver an experience well beyond what a trick box can - the thought of having to send my DME back overseas when it gets relocked by the dealer would be a real bummer - just my 2-cents Last edited by chenry; 01-03-2023 at 09:53 PM.. |
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Info@mad-us.com1969.50 |
01-04-2023, 01:55 PM | #5 |
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the JB4 is the best piggyback on the market
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01-04-2023, 09:49 PM | #6 |
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I'd have to agree with the above. It has the most flexibility as far as "stages" and how far you can go with it. Another huge selling point for me was the app and logging ability. You may still have issues with warranty but don't quote me on that.
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01-05-2023, 03:18 PM | #8 |
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May I ask which downpipe and why are you letting go the intake and piggy?
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01-08-2023, 08:11 PM | #9 |
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01-12-2023, 08:25 PM | #10 |
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01-13-2023, 12:14 AM | #13 |
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I have the Carbahn (Steve Dinan’s new company) piggyback and loved it. Conservative power games, but especially noticeable with 100 octane (which it uses a specific map for). I used to worry about warranty and purchased that too (factory matching warranty). I’ll be parting ways with it soon and will let it go for a great price if interested.
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01-13-2023, 10:27 AM | #14 | |
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01-13-2023, 12:22 PM | #15 | |
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01-13-2023, 04:19 PM | #16 |
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What was your process for going the FEMTO route? Cost? And what year is your car? I have a brand new 2023 and I don't exactly know if I want to void the warranty so fast but I also know the FEMTO can be pricey, but its worth it in the end
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01-14-2023, 10:07 AM | #17 |
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01-14-2023, 03:56 PM | #18 | |
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My car is a 2021. I had the same dilemma and went for it. The car served me well (knock on wood) with no problems to date and I'm anal with the maintenance, so I'm okay with no more dealer visits and/or over the air software updates. |
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01-14-2023, 09:03 PM | #19 | |
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01-15-2023, 10:40 AM | #20 | |
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Customers with upgraded turbo or 100% E85 use the ECU unlock option. The rest are using a piggyback, waiting for an OBD flash.
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01-15-2023, 10:44 AM | #21 | |
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To be honest, because of a Stage 1 tune I would never do it. 1 : it is significantly more expensive than a box because of the unlock price and the difference is not so big (maybe 20hp) 2: there is a risk that it will be overwritten with an OTA update. And then you can pay 1000usd for FEMTO every time. |
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01-15-2023, 01:47 PM | #22 |
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