Problem after Emissions testing

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Right after I had my 03 Z4 in for emissions testing last week, several dashboard lights came on in yellow the triangle for ant-lock and the flat tire one. The tech did push the anti lock button. When finished. I asked him why these light were on and he said depress brake a few times and the lights would disappear, well they are still on, there is no flat tire. I called BMW dealer, said they had never heard of this problem....now what to do....any help would be appreciated, thanks guys.

Denise <img src=http://members.roadfly.com/zoom/z4smallpic100.jpg>
03 Z4 Merlot 3.0 Sport, blk/beige
Member: BMWCCA Puget Sound Chapter(Seattle) and ZSCCA

<img src=http://members.roadfly.com/zoom/zooom-rot3r-sm.gif>
<img src=http://members.roadfly.com/zoom/zooomcar.gif>

[blaZen]

I'd change mechanics.

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<img src=http://members.roadfly.com/zoom/z4smallpic100.jpg>
03 Z4 Merlot 3.0 Sport, blk/beige
Member: BMWCCA Puget Sound Chapter(Seattle) and ZSCCA

<img src=http://members.roadfly.com/zoom/zooom-rot3r-sm.gif>
<img src=http://members.roadfly.com/zoom/zooomcar.gif>