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I just began to enjoy RC with Qstarz 818xt and ELM327 OBDII.
Just one thing... how can I extract brake pressure info from OBD II for BMW F80 M3?
Could someone throw some light here please... many thanks!
... and can I also get hp and torque data (real-time) through OBDII? At least I can't see them in RC's list of fast or slow channels.
It's not a standard PID. You'll have to find a custom PID one way or another. If nobody posted that PID anywhere, it can be very hard to find.
If the brake data from car is supposed by e.g. AIM devices, I suggest you invest your time into finding the CAN ID for the brake pedal instead, and use the currently-experimental CAN mode with OBDLink devices. I believe there's a special model of OBDLink for BMW cars, @aol can confirm if it supports/will support the CAN mode.
Thank you all! Yes indeed I realised I need to find a custom PID yo get brake pressure data but I couldn't find any hint through googling unluckily.
Instead I found Bimmerlink can show the brake data and even allows me record the log. I surely tried to think about a good algorithm to merge this Bimmerlink's logo with RC's but it is just way too complicated to sync.
I think the last thing I can try is sending an inquiry directly to Bimmerlink team although I truly understand it will be a loooooong shot! :)