I was thinking more of the E90/91. I've got no idea what happens on the E92.
From the photo below you can see that the standard braking illumination (of Beauforty's E90 at least) is only half of the light cluster mounted in the wing. Also, the photo posted by NFS shows illumination of the full cluster within the wing for BFD.
Given the video evidence from youtube posted by mmm def it would appear that one of three things is going on:
1. US spec cars are different to UK spec ones. (Euro nanny regs perhaps)
2. There has been a change to the system such that the foglight is now used.
3. It's actually a 3 stage system and the foglights come on with the ABS
WARNING! Do not attempt to check brake force display in shop window reflections... you'll get arrested for ram raiding if you get it wrong.
