Matt,
Sorry to resurrect this thread, but are you going to run the stock sport seats in your 325is? Just wondering what you were planning on doing with the sub belt.
As far as the shoulder belts go, a BMW DE friend with an E30 325is Hotrod runs his five point belts back to the rear seat belts. Not sure if he runs a harness bar or not, but something tells me not. I can email him for more info and pics if you like.
I know its a bit early, but are you planning on the BMW CCA HPDE on August 20-21 at T-Hill? If you haven't done a CCA school, I highly recommend it. Excellent instructors and a great emphasis on fun and safety. It's been about two years since I've been on the track (buying a house sure cuts into the BMW and Porsche track budget
, ) but I plan on being there.
Jim