05-23-2022, 08:35 AM | #1 |
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2018 M550i BM3 Tune
To all who have tuned their M550i using BM3 themselves, which method did you use. Trying to decide between phone or laptop and what cables/adapters I need. Right now all I have is the OBDLINK MX+ which I believe will not be of use for tuning with BM3.
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05-23-2022, 08:45 PM | #2 |
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You're correct; the OBDLINK MX+ won't work for you. I use an ENET cable that works on both a laptop and phone. You may have to experiment to get the right adapters though. Something like this would be fine:
https://www.amazon.com/OHP-Ethernet-...dDbGljaz10cnVl |
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05-24-2022, 05:58 AM | #3 | |
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05-24-2022, 07:09 AM | #4 |
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That's right. In my case, my Android phone has a USB-C connector so I use a USB-C to Ethernet adapter. You will also probably have to go into settings and enable Ethernet tethering; I think that the BM3 web page has detailed instructions for that.
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05-24-2022, 07:23 AM | #5 |
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Was the buying and flashing process straight forward? How long did it take? Have any issues with the engine oil status or anything else?
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05-24-2022, 08:00 AM | #6 | |
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The installation process is very easy, connect your phone, download the app, select the map, and you are set. The entire process takes less than 5 minutes. No issues
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05-24-2022, 08:28 AM | #7 |
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I have a stock engine with Stage 1 tune and have had no issues with CEL, oil status, or connecting with my laptop or phone. The guy who unlocked my DME did the initial flash but I don't anticipate any issues when I need to re-flash it myself. It's very straightforward, although I do recall some challenges when first installing the agent and connecting to the car. But you can do that part before buying a license or unlocking your DME, and they are very responsive to requests for help over Email. I'd start there.
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05-24-2022, 02:29 PM | #8 |
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I recommend the MHD Black WiFi Adapter. It also has a built in Ethernet port and can be used wired or wireless. You just need the right adapter for your phone to Ethernet. WiFi should be fine though. It's superfast and stable. Stay away from Bluetooth adapters. It also works with Bimmercode, ProTool and of course, MHD.
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06-28-2022, 06:45 PM | #10 |
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Flashed tonight and it's definitely more responsive, aggressive, and quicker. I didn't play with any options or anything just straight up flashed.
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07-01-2022, 09:49 AM | #12 |
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07-01-2022, 11:45 AM | #13 |
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I enabled ASD which in return it says burble yet I don't hear that. Is that due to stock exhaust?
Also, using the app or web client, where would I see what time the car is running? Like would it say I have these tunes and this particular one is what's in the car?
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07-01-2022, 01:46 PM | #14 |
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By ASD I assume you mean Active Sound Design? That has nothing to do with your tune or exhaust. It just pumps fake engine noise through your audio system. I disabled it, but as I recall it doesn't add any "burble." It just makes the exhaust sound louder.
You can tune the exhaust burble in the BM3 app, which will make a difference in sound. I went with "Stock" burble and my car sounds exactly the same after tuning as it did before. As for performance numbers, I don't know offhand how to use the app to measure that, or if doing so is even possible. Even if it is possible, it would have to rely on the phone's GPS so the accuracy wouldn't be very high. The app is great for flashing and data logging, but if you want good performance numbers I'd get a Dragy. |
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07-01-2022, 02:54 PM | #15 | |
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Edit: found the settings section of the tune. What are settings others have played with? I only flashed the tune without messing with settings.
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07-01-2022, 07:02 PM | #16 |
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The only setting I changed was to remove VMax. If you don't have it already, the user manual does a good job of explaining the various configuration options:
https://bootmod3.atlassian.net/wiki/...d3+User+Manual There is also a boost limiter that isn't in the user manual. |
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07-02-2022, 05:58 AM | #17 | |
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07-06-2022, 04:17 PM | #19 |
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I will mess with config a bit as ots burble settings are almost useless.
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07-06-2022, 05:56 PM | #20 | |
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If you want louder sound, take it back and have them cut out the 2 forward resonators. I would drive around for a week or so before you cut them all off. Save the resonators so you can go back to stock if you sell.
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07-06-2022, 10:05 PM | #21 |
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07-07-2022, 08:40 AM | #22 | |
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