Intermittent Brake LT Circuit problem

[94_e34_525i]

I did a search on this issue and didnt find anybody with an intermittent problem. It seems to do it every third start, and it started a few days ago. Can it be due to sudden braking, did I damage the brake light switch? Or is it something else? Thanks for the help guys.

[shogun]

Is the brake light actually o.k. or not?
Have you checked the third brake light?

If all is fine except the warning, I assume it is the brake light switch.

[Paul in NZ]

if the brake light switch is not installed properly you can damage it thus causing a brale lt circuit warning....ask me how i know