Hold the ABS button down on the left multi-switch for 3 seconds. When both lights are blinking, you can take off and both should go off, ABS is working.
If only the triangle is blinking, and the ABS is solid.. it is off.
Riding and loving my 2020 K67 with the custom XWORKS ECU
Check out MotoMillion ( forum Vendor section ) for all your needs in ECU work
Check out MotoMillion also has programming for RCK3 / HP power Kit enables now
Programmer for MotoMillion is myself ( BMW_388 )
I personally own the 2014, 2015, 2018, 2020 S1000RR
This makes for checking my ECU work is perfect every time sold by MotoMillion