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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Thu, Jun-14-2012, 03:45:24 AM   #21
PencilGeek
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

Quote:
Originally Posted by GoTerps View Post
Borrow?
Sorry if I misunderstood. It certainly wasn't my intention.

Quote:
Edit w/actual contribution: In a future revision of my board I could swap a LIN transciever with something like the Microchip MCP2515 (http://ww1.microchip.com/downloads/e...Doc/21801F.pdf) and make a few tweaks to my app to get a data logger that would work with a phone. But this speculation isn't really helpful to you now so I'll be back when I build something useful...
I've looked at the Microchip controllers before, along with systech, fujitsu, micro-can, and probably one or two others. It seems like they all offer completely open source code, or source code you can use for your own development. I realize that doesn't solve the Android side; but it does allow you to implement your own API into the device and then program the Android side to match the API you created.

I'm not sure if your module already has SPI->USB on it, but I did notice the MCP2515 is CAN->SPI only, not CAN->USB. Here's a link to other Microship solutions for CAN->USB. Maybe one of them will already do the trick.

http://www.microchip.com/stellent/id...&redirects=can

Or you could look into www.canusb.com for another pre-built and low cost solution. They offer source code as well.
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Old Fri, Jun-15-2012, 02:45:53 PM   #22
Chebs_E84
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

I have spent several months analysing the K-CAN of my BMW E84. I have now got to a stage where I have written it up in the hope that it may be useful for others.
The link below contains all of the information that I have found so far. This is by no means a definitive list and it only contains about a 1/3rd of the PID's used on the K-CAN bus.

http://www.loopybunny.co.uk/CarPC/k_can.html

The information I have found has been gained from passively snooping the 100KHz Differential K-CAN bus and listening to the standard 'chatter'
of the BMW communication network. This differs from many ODB-II tools that actively request engine debug / diagnostic data.


As a thought for those wanting to log data without a PC:-
The Arduino uP could also be used as cheap off the shelf standalone tool to log the K-CAN data direct to an SD card. It would also be very simple
to add an LCD screen to display basic information. I am using the Aduino as a translator to control a full PC I have installed in my car.
http://www.mp3car.com/show-off-your-...r-install.html

OK, my car is not an M3 but I think the information will still be useful to you guys!
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Old Fri, Jun-15-2012, 03:14:47 PM   #23
PencilGeek
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

Quote:
Originally Posted by Chebs_E84 View Post
I have spent several months analysing the K-CAN of my BMW E84. I have now got to a stage where I have written it up in the hope that it may be useful for others.
The link below contains all of the information that I have found so far. This is by no means a definitive list and it only contains about a 1/3rd of the PID's used on the K-CAN bus.

http://www.loopybunny.co.uk/CarPC/k_can.html

The information I have found has been gained from passively snooping the 100KHz Differential K-CAN bus and listening to the standard 'chatter'
of the BMW communication network. This differs from many ODB-II tools that actively request engine debug / diagnostic data.


As a thought for those wanting to log data without a PC:-
The Arduino uP could also be used as cheap off the shelf standalone tool to log the K-CAN data direct to an SD card. It would also be very simple
to add an LCD screen to display basic information. I am using the Aduino as a translator to control a full PC I have installed in my car.
http://www.mp3car.com/show-off-your-...r-install.html

OK, my car is not an M3 but I think the information will still be useful to you guys!
Very nice web page; good layout and presentation. I'd say about 70% of those PIDS are the same for the M3. Things like clutch and temperatures are either in different locations, or different offsets at the same address. I'm still mulling over publishing the list for the M3. I haven't decided yet.
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Old Tue, Nov-18-2014, 01:40:38 PM   #24
ccnacht
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

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Originally Posted by NoQuarter View Post
I'm doing the same work for the E60.
Hello, do you or someone know the CAN-ID for Oeltemperature in BMW E60?
I need it for a MSV70. Thx.
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Old Fri, Jun-19-2015, 10:47:52 PM   #25
unusable
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

Hi, firends.
I have to you a question as to experts on automobile BMW electronics.
Who knows or who tried to stop the BMW M57 engine or only any other team on CAN (PT-CAN) to the tire of data?
Here http://ican-immo.ru/ people suppress the engine regular (???) signal. Thus no mistakes and failures in the equipment arise.
I want muffling of the engine on CAN but in the my system.
I will be very grateful for any helps.
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Old Sun, Dec-24-2017, 08:29:49 AM   #26
Thaabit
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

Hi I I'm fitting a haltech elite to a turbo e46 m3 . Will the can bus output of the haltech work with e46 m3 dash.

Regards
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Old Tue, Dec-26-2017, 08:37:25 PM   #27
PencilGeek
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Default Re: Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU

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Originally Posted by Thaabit View Post
Hi I I'm fitting a haltech elite to a turbo e46 m3 . Will the can bus output of the haltech work with e46 m3 dash.

Regards
Almost certainly yes it will. The Haltech will most likely run the CAN bus at 500 kHz or 1000 kHz. Both should be compatible with the technical specifications of the E46 CAN bus. You will need to make sure your Haltech only uses CAN bus addresses not currently in use by the E46, or to use them in an identical way to the E46 ECU addresses that they replace.
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Discussing Reverse engineering the engine ECU PT-CAN data bus for the MSS60 (M3) ECU in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)