If it were me I would go for the wider tires. Nothing looks cooler than looking at a wide tire from the rear. My dad has 315s on his mustang and the stance looks amazing. The x5 has a package with some wide tires as well...go with the tires if you can afford it.
<B>2004 Mazda RX-8</B> Grand Touring Package and Navigation
Previous Car: <b>2003 Sunlight Copper Nissan Murano SL</b> NAV, 10000K HIDs, OEM Pushbar, LED interior lights