Personally I own a 2007 3-Series BMW, so I have spent a lot of time studying and understanding he specifications of this year of E90.
In North America, the available models:
323i (Canada Only)
Engine: N52B25 2.5L I6 200hp
Weight:
0-60 (0-100 km/h): 7.4s
1/4 mi:
Fuel consumption 6MT: 11.1-6.9 L/100km
Fuel Consumption AT: 11.2-6.7 L/100km
328i
Engine: N52B30 3.0L I6 230hp
Weight:
0-60 (0-100 km/h): 6.7s (also 6.0)
1/4 mi: 14.6s
Fuel consumption 6MT: 11.7-7.2 L/100km
Fuel Consumption AT: 11.3-7.1 L/100km
328xi
Engine: N52B30 3.0L I6 230hp
Weight:
0-60 (0-100 km/h): 7.2s
1/4 mi:
Fuel consumption 6MT: 12.2-7.7 L/100km
Fuel Consumption AT: 11.7-7.9 L/100km
335i
Engine: N54 3.0L I6 300hp
Weight:
0-60 (0-100 km/h): 5.7s (also 4.8s)
1/4 mi: 13.4s
Fuel consumption 6MT: 12.5-7.6 L/100km
Fuel Consumption AT: 12.2-7.8 L/100km
335xi
Engine: N54 2.5L I6 300hp
Weight:
0-60 (0-100 km/h): 5.6s
1/4 mi:
Fuel consumption 6MT:
Fuel Consumption AT: