Intermittent ABS Light after EBC rear rotor

[bornfrustrated]

I replaced the rear rotor with the EBC rotor (md661, beemer boneyard) with ebc pads and more I get an intermittent ABS Light flash while riding. If I tap the rear brake, it stops for a while. Everything is snug, the abs ring doesn't move on the rotor.

[Laitch]

Have you verified the ABS sensor gap measurement front and rear, and have you verified the resting battery voltage is 12.6V or above? This system can be sensitive to low battery voltage.

Front measurement


Rear measurement

[Scott_]

I know mine is an 1100, but, when I replaced my rear brake disk I did have to adjust the ABS sensor spacing a very slight bit.
Don't ask me why it would change as I moved the ABS tone ring from the old disk to the new one, but, non the less I did have to adjust the shims to get it to work correctly.