Roll Bar vs. Harness Bar

[KKASPER4@xxxxxxx]

I am currently planning on increasing my track time in my '96 M3, and I have 
decided to invest in safety improvements before further performance 
modifications.  I plan on using my car a fair amount on the street as well as 
on the track, and would still like a functional backseat.  At a recent 
driving event at Seattle Int. Raceway I noticed a number of cars with harness 
bars.  From what I can tell, the obvious advantage of the harness bar is the 
ability to remove it and return the car to a stock look.  My concern is being 
harnessed upright in my seat in the event of a roll-over.  A roll bar would 
obviously be the best option in that situation, but my concern with the roll 
bar is what the effect would be on non-helmeted passengers (both front and 
back seat) in the event of an accident on the street.  I would appreciate 
advice from anybody who has had experiences with these devices.

Thanks

Thomas Thompson
'96 M3
BMW CCA National Capitol Chapter
BMW ACA

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