Brake circuit lt.. ?

[Michael999]

I saw this message pop up on the dash today for abut 20seconds.
It was just after i started braking at 130kmph (80mph).
I cant find in my manual what this means, nor can i find it on the e34 site.

I had just used some tyre foam on my wheels and on my rims, its silicone based and some may have gotten onto the brakes and pads, braking however felt normal.

Any ideas? or am i just getting nervous over nothing :S

[Paul in NZ]

this message is ussually caused by a faulty brake light switch.