Why can't I get super charger on my BMW 2002

Forza Motorsport Legacy Motorsport FM5 Discussion
1

I have brought the super charger but it won’t let me install it please help.

2

Search forum for “aspiration glitch” for a solution.

3

http://forums.forza.net/turn10_postst903_I-cant-install-a-twin-turbo-on-my-yellowbird.aspx