I am in a quandary and would like some input. My 2015 428i GC was just totaled in an accident a couple of weeks ago. I planned to order another and was told by the dealer that all of the 2016 428's are exclusively SULEV. I avoided this last time and now feel stuck. They suggested going up to the 435(an add'l $3000). I had plenty of power in my 428 and I'm just not interested in the 435. The other disappointment is they are no longer offering the same rims I had with the luxury package. Should I roll with the SULEV? What do I need to know about SULEV that I haven't found digging on the net? Thx in advance for the input.