05-24-2021, 03:44 PM | #1 |
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Bmw 435i f36 bimmerlink/ bimmercode option
Hi, I own a 435i with FBO's including a Wagner catless dp and a supersprint cat-back exhaust with the original exhaust flap controller.
I had JB4 on my car a while ago, but bought MHD as I liked their options more. I have been trying to find some way to let the cars exhaust flap open on cold-starts as this was possible with the JB4, but MHD tells me they cant assist me with this. I have been looking and asking around and they said bimmerlink/ bimmercode had an option where you can manually open the exhaust flap. Does anybody own these applications, and does opening the exhaust flap on cold start work with this? What other purpose would this option else serve, as a 4 series always has the option eco-sport+ (which allows opening of the exhaust flap?) as far as I know. |
05-24-2021, 03:59 PM | #2 |
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MHD's programming only allows "exhaust flap always open in sport mode" AFAIK.
Using coding, you can also control the exhaust flap. I read up on coding some time ago, but never implemented anything. Your best bet is to do some research and specifically go into the coding technical forum for coding-related questions: https://f30.bimmerpost.com/forums/fo...play.php?f=429 From what i recall, you either code it always open or always closed, i am not sure you can do more refined control than that. Also, I am pretty sure my exhaust flap always opens for the first ~60 seconds on a cold start? So i am a little surprised yours doesn't. |
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05-24-2021, 08:13 PM | #3 | |
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I was not particularly interested in coding a permanent solution but wanted a temporary one where i could choose when to have the flap open and when not too. This is why I figure i would ask about the bimmerlink/ bimmercode options. As i see they have an option to control the exhaust flap. I dont always want my flap open on cold starts, my neighbors think Its loud enough already, but would be fun to be able to make it really aggressive sometimes when out on a meet or such. |
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05-25-2021, 12:29 AM | #4 | |
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Well coding isnt "permanent" its just that you have to recode when you want to change it. They do have options to control it, but i dont think you can add custom logic or anything, just mess with preconfigured settings. I would check that section of the forums though as the more experienced coders will know. |
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05-25-2021, 03:52 AM | #5 | |
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05-25-2021, 06:19 AM | #6 | ||
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05-25-2021, 06:26 AM | #7 | ||
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Which is why I was asking about the application functionality |
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05-25-2021, 11:17 AM | #8 |
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Filip - I have BimmerLink, and use it’s Flap Open Always setting. (It’s a really nice full-featured BMW-savvy code reader for the phone BTW). I use BimmerCode from the same folks too.
I’m also flashed with MHD. I did not enable the MHD flap-open-in-sport option (not wanting to mess with any conflicts between the tools and their coding roles.) My exhaust flap always stays open (it’s obviously still hooked up, but there’s no operation at startup, it remains open) and I exclusively use BimmerLink to alter its setting. It’s a very quick BimmerLink code-flash to return it to stock operation, if needed. |
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05-25-2021, 11:58 AM | #9 | |
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Thanks for the input guys! Last edited by Filip3615; 05-25-2021 at 06:10 PM.. |
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435i, 8at, cold start, exhaust, exhaust flap, fbo, n55, supersprint |
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