Required firmware version 10.73 or higher.
MaxxECU >> ECU communication configuration
![](lib/Beztytuu.png)
Communication configuration using e.g. BMW E9x >>Maxxec >>TCU
![](lib/23.png)
When you use e90 and MaxxECU communication at the same time, you need to set the can speed to 500 kbps in MaxxECU and TCU
![](lib/maxxecu.jpg)
![](lib/maxxecu2.jpg)