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Old 08-13-2019, 06:52 AM   #55
John V
No more BMWs
 
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Join Date: Apr 2005
Carmudgeonly Ride: Ram, MS3, CX-5, RX-8
Location: Glenwood, MD
Posts: 14,753
Quote:
Originally Posted by ZBB View Post
I’ve been in a handful of preproduction cars — although they were very close to finish and well past the prototype stage. Toyota put a cardboard sleeve on the driver’s sun visor with text on it saying the car was preproduction and not all materials were up to production spec. I honestly couldn’t tell in that car. I was also in a Nissan that seemed to be production quality.... But a prototype at this stage? There could be all sorts of tuning not yet done to make it squirely...
I am not an expert but I get the impression they tweak spring rates, shock tuning, alignments, ride heights etc very close to the final "go" for production.

Again all this is purely speculative.
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