I was going to buy a G35 but thanks to limited headroom and no help from Infiniti to improve headroom, I picked the 328i. What a machine... ordered from the factory with Prem, Sport, Xenon, Comfort Access about a month ago and I've been smiling ever since. Razor like handling, & ample power. The traction control works VERY well on wet or slushy WA roads -- no regrets for passing up the xi.
Handling, rock solid chasis ( like a German bank vault!), engine, headlights, traction control,comfort access (look Ma - no keys!),and the wonderful feel and smell of that leather! Best of all - no high pressure add on sales pitch from the finance manager!!
Expensive run flat tires - offer a real spare and no RFTs.