The sport package is available for both 2dr coupe and sedan. My '98 328I doesn't have this, no huge difference though. You get 16" wheels instead of the 15" sport seats and then the suspension is slightly different. I bought mine used. Now I threw on the 17" m contours, bilstein sport shocks, and bavarian autosport performance lowering springs. Replaced the bushings while I was at it, and did the trany kit/ differential fluid change. Now it has a true sport package.
With that last 7 digit, people can look up when your car is made, which model, how many doors, auto or manual that kind of stuff. But I am not sure whether it's enough to trace any personal information though.
I would not open my last 7-digit that's for sure. PM it to someone "trustable" is another thing.
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