Hellen 88 BMW
- AndreyB
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Hellen 88 BMW
Hellen 88 BMW is an open source PnP dev board for @stefanst's e36 see https://rusefi.com/forum/viewtopic.php?f=2&t=2050
https://github.com/rusefi/hellen88bmw/
https://github.com/rusefi/rusefi/wiki/Hellen-88-BMW
https://github.com/rusefi/hellen88bmw/
https://github.com/rusefi/rusefi/wiki/Hellen-88-BMW
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- AndreyB
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Re: Hellen 88 BMW
Schematics draft added to https://github.com/rusefi/rusefi/wiki/Hellen-88-BMW
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Re: Hellen 88 BMW
Getting closer!
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Re: Hellen 88 BMW
Just attempted to place the order! Schematics link updated last chance to find issues while I am working with JLC on placing the order.AndreyB wrote: ↑Wed Jul 07, 2021 3:02 amSchematics draft added to https://github.com/rusefi/rusefi/wiki/Hellen-88-BMW
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Re: Hellen 88 BMW
I figured out how to get the BOM but cant find any PCB schematics for this particular board or a for sale link in your shop
how does one go about acquiring a hellen88 pin for BMW ?
how does one go about acquiring a hellen88 pin for BMW ?
- AndreyB
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Re: Hellen 88 BMW
https://github.com/rusefi/rusefi/wiki/It's-complicated
Are you sure you have the BOM?
This board is still being developed. Issues were discovered and first order attempt was cancelled. Progress was done today, I hope to order first batch in September.
Are you sure you have the BOM?
This board is still being developed. Issues were discovered and first order attempt was cancelled. Progress was done today, I hope to order first batch in September.
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Re: Hellen 88 BMW
https://rusefi.com/docs/ibom/hellen88bmw-a-ibom.html
yah... the BOM is listed on your wiki....
at any rate looking forward to updates thanks for the reply
yah... the BOM is listed on your wiki....
at any rate looking forward to updates thanks for the reply
- AndreyB
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Re: Hellen 88 BMW
Stefan says it fits inside the case nicely, stay tuned for test results!
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Re: Hellen 88 BMW
Adding a couple more case fit pictures for the M60 case.
(And no, there isn't anything on that IP anymore, it was a note to myself a long time ago)
(And no, there isn't anything on that IP anymore, it was a note to myself a long time ago)
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Now keeping MRE in stock in the UK - https://www.FutureProofPerformance.com
E36 OBD1 325 Hellen Success
I have an old 325is from 1995. This is the first car that got to test the new Hellen 88 board. This board is designed as an (almost) plug&play replacement for the Motronic M3.3, M3.1 and M3.3.1 (my car is M3.3.1).
After some initial bench testing to verify that things are unlikely to blow up when plugging it in, we had success starting the engine on the 2nd try. See video below. The first try was unsuccessful because the crank sensor (VR) signal was inverted. Quick jumpering on the board corrected that issue and the car fired right up:
Idle control works too:
Find the car on rusEFI online:
https://rusefi.com/online/?vehicleName=325is&user_id=554&sorts[uploadedMsq]=-1&sorts[uploadedLog]=-1
After some initial bench testing to verify that things are unlikely to blow up when plugging it in, we had success starting the engine on the 2nd try. See video below. The first try was unsuccessful because the crank sensor (VR) signal was inverted. Quick jumpering on the board corrected that issue and the car fired right up:
Idle control works too:
Find the car on rusEFI online:
https://rusefi.com/online/?vehicleName=325is&user_id=554&sorts[uploadedMsq]=-1&sorts[uploadedLog]=-1
Re: Hellen 88 BMW
Picture of the re-jumpered board:
- AndreyB
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Re: Hellen 88 BMW
Available for sale. Definitely a development board not a PnP ECU
https://www.ebay.com/itm/334235601464
https://www.ebay.com/itm/334235601464
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- AndreyB
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Re: Hellen 88 BMW
Open source https://github.com/rusefi/hellen88bmw/
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Re: Hellen 88 BMW
On this and some other boards there is an option to use either dumb or smart coil
For smart coil a wire/0R resistor/jumper should be installed in while positions. If your board comes with IGBT in red position it would easier to remove a fuse (brown)
For dumb coil an IGBT should be installed in red position while white jumper is not installed.
For smart coil a wire/0R resistor/jumper should be installed in while positions. If your board comes with IGBT in red position it would easier to remove a fuse (brown)
For dumb coil an IGBT should be installed in red position while white jumper is not installed.
Very limited telepathic abilities - please post logs & tunes where appropriate - http://rusefi.com/s/questions
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