In lack of specific model info i chose to compare a Euro spec 2004 3.0i 5-speed automatic to the US (North American) model.
Performance:
-Euro spec has 228 hp and 300 Nm - US only has 225 hp and 290 Nm.
-Euro spec has a curb weight of 2020 kg / 4453 lbs - US has 2135 kg / 4707 lbs.
-Euro spec has a payload of 600 kg / 1323 lbs - US has only 590 kg / 1301 lbs.
-Euro spec has therefore a better weight-to-power ratio of 8.7 kg/PS / 19.5 lbs/hp - US has 9.4
kg/PS / 20.9 lbs/hp
-Euro spec has a top speed of 211 km/h / 131 mph - US has only 209 km/h / 130 mph
-Euro spec accelerates 0-60 in 8.8 sec - US needs 9.5 sec

In the Euro spec you can open and close your windows and pano-roof remotely via the key fob.
Your inner halogen high-beams will light up along with the high-beams from the xenons.
And someone already mentioned the elusive rear fog lights.
There is propably more. But this was what i could find for now.

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2007 E70 4.8i Sport
2004 E53 4.4i Sport - R.I.P.