Originally Posted by Kewl X5

Because the 4.4i is being replaced by a 4.8 liter V8....No more 545i, 645Ci and 745iL.

Already the 750i and 750iL are roaming the streets of California. In the fall, the 550i and 650Ci will be out. They are using the 4.8 liter V8 engine. So the 4.8 liter because the "new" 4.4i....However, I heard that BMW may release the 4.0i liter V8 to the USA.....