Excuse me for bumping an old thread, but I've been playing with this mod for a while now, and while I utterly adore the new content it adds - especially the japanese cars, sucks how there were only two-three Nissans in the original game, not to mention the wider choice for first cars - I've had some... problems with the mod. I tried looking up and around, high and low, but either I'm the single, only living and breathing organism in the multiverse with these problems, or it's just the search engines being horrible as usual.
The first, and minor, problem, is that many cars have the door opening animations glitched. Instead of the doors opening, only the windows will swing out independently of the doors themselves. This is at its worst with the Toyota Supra, where opening the right door will cause the entire roof to detach and float away like it suddenly became a convertible. Fortunately, this only affects showrooms if I try to open the doors, so it doesn't really get in the way of gameplay. Usually. (Some cutscenes show the car's door opening, so it's possible to get a glimpse of the Magic Floating Windows™)
The second problem, which is actually major compared to the first, is that many cars in the game seem to put a very heavy load in the game, because driving them for longer than one or two minutes causes the framerate to tank, resulting in lag spikes. This effect is further pronounced when playing in dashboard view(which is painful because I feel much more bonded to the car when in dashboard cam). This means that the game quickly becomes pretty much unplayable. While you could just say "well, don't play with those cars, then," there's no way to figure out what car will lag or not(Test Drive is too brief to see if it'll be laggy), so it would pretty much boil down to trial and error. Plus, it can be very frustrating if your favourite car turns out to make the game unplayably laggy(I was particularly eager to drive the Skyline R32 and the Toyota Sprinter Trueno, only to find out they tank my framerate. I swapped the R32 for the R34, and it had the same problem).
Is there a way to at least solve the second problem? I wouldn't say my computer is weak - it has plenty of RAM and a reasonably powerful CPU and GPU(8GB RAM, AMD 6300fx, GeForce GTX 750Ti), plus it ran the vanilla game just fine with no issues. I already have the game's graphics at the absolute minimum allowed.