Starting with september production, the new powers are;
For europe, E90
318i 129 hp to 143 hp
318d 122 hp to 143 hp
320i 150 to 170 hp
320d 163 to 177 hp
330i 258 to 272 hp
The 272hp engine from the 330i would be really nice in the 1er Coupe. Lighter than the N54 and less expensive than a 135i.