Bore/Stroke N52 and N54 out to 3.2 liter.
Base 325 with 240HP (3 liter)
328/330 with 275HP
335 with 335HP
This would better match the competition. not only from Lexus/Infiniti but from Honda (!!) and Nissan.
Homelink should be standard
Dimming mirrors should be standard.
Alarm should be standard - I've always thought this was a ploy to make you spend another $500. Granted you need a shock sensor but everything else is already in the car. For example, the ECU knows if the door is opened without being previously unlocked by the fob - sound the bloody horn!!
Cup holders are awful. I'm in a loaner E46 and those are great.
Dump the economy gauge.
Reduce weight.
Probably more but my wife needs attention....must go.