TC Kline rollbar installed in Greg Koenig's 325is
(Click on image for larger version)
Jeff Wagner sent in these pictures of the T. C. Kline rollbar installed
'97 M3 sedan (Click on image for larger version)
And here are a few more TC Kline rollbar pics from Dan Snyder's
The door side-impact bars are a Dan Snyder designed/TC Kline built custom
addition. They can bolt in or out.