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      08-15-2022, 12:30 PM   #1
TheAlexVII
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Drives: 09' BMW 135i
Join Date: Mar 2018
Location: Ontario

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Possible To Get CAN Info From OBD2?

I have a DIY project where I need to take some data from the M235i and implement it into my product for feedback. I am going to be using an Arduino, and an OBD2 to Arduino cable. Below is what the OBD2 converter can do.

https://freematics.com/pages/product...t-adapter-mk2/

This adapter can CAN sniff which is exactly what I need to, but I later found a PDF which I have linked here saying that on this vehicle it isn't possible to get CAN info.
http://www.racelogic.co.uk/_download...i%20Racing.pdf

So will the adapter I have be able to pull the CAN info? Or am I able to get sensor readings like BimmerLink does via OBD2 and get information? The information I need are:

- Steering Angle
- Brake Pedal Position
- Vehicle Speed

EDIT 1: I have found a Facebook post as well here.

https://www.facebook.com/groups/1288...9562616738594/

So if I am able to pull data, I can easily find it since I assume there isn't a difference in the CAN info between an M2 and M235i.

I am very new to this but I hope this post makes sense!

Would be worth mentioning the adapter can also define PIDs from the OBD2 so is it possible there is a PID of the brake pedal position and steering angle? I know there is one that measures the speed obviously.

EDIT 2: I also found another forum post and wanted to confirm if this is all the data that can be read through other BMW's, specifically the 2 series https://f80.bimmerpost.com/forums/sh...1#post29223861 as it looks like I can get steering angle and vehicle speed, but the only thing missing is braking, but I think I can just use the brake light as a condition for my DIY project.

Last edited by TheAlexVII; 08-15-2022 at 03:42 PM.. Reason: added, new info under 'EDIT:'
Appreciate 1
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