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Author Topic: BMW i8 B38 MEVD17.2.3 stock bin and matching DAMOS?  (Read 1722 times)
jonvolk
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« on: February 21, 2024, 03:28:37 PM »

This might be a long shot, but does anyone have a DAMOS (a2l+hex) for BMW i8 with matching stock P-flash and D-flash bins? I am looking to access some obscure single value parameters that would not be as easily matched up as a fuel or ignition table.
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chacarita
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« Reply #1 on: February 22, 2024, 01:17:25 AM »

What maps do you need?
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jonvolk
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« Reply #2 on: February 22, 2024, 07:25:07 AM »

Basically everything. I'm doing a motor swap ,retaining hybrid functionality, where the DME will live in parallel with a standalone. In this car the DME is deeply integrated the hybrid system for start stop/ev generator torque limits, etc. I will be feeding simulated engine sensor inputs into the DME from a controller I designed to keep it reasonably believing a B38 is attached to it. There will be numerous maps based on complex mathematical models in the MEVD17 that are going to need min/max limits modified and likely lots of DTC suppression. All doable, but not without a fully defined software.

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prj
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« Reply #3 on: February 22, 2024, 08:08:06 AM »

DME will live in parallel with a standalone.

Give up now...

There is no way to do that on any torque controlled ECU.
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jonvolk
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« Reply #4 on: February 22, 2024, 09:54:04 AM »

LOL, no
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prj
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« Reply #5 on: February 22, 2024, 09:59:22 AM »

LOL, no

There are two ways:
1. Use the ECU to run whatever engine you put in there - if it has a different amount of cylinders, you're screwed though.
2. Use something like Motec M1 to run the entire powertrain.

Everything else will be a failure.

The mechanical work is piss easy compared to the software.
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jonvolk
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« Reply #6 on: February 22, 2024, 10:31:08 AM »

Doesn't have cylinders, it has rotor housings. Smiley
I never said it would be easy. There are backup plans.
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