other then the leather texture, are sport seats different in 2004-2006 4.4 vs 4.8?

I have sport seats in my 4.4, also own a e46 M3 and LOVE the M3 seats. if the 4.8 seats are different in the 4.8 I would buy them.

Also, does anyone know if you can fit e46 M3 seats into a 2004 x5?