Originally Posted by Tae

Boy, I can definitely relate. I debated long and hard when I was ordering my '08 X5 (do I spend close to $7k extra to get a similarly equipped 4.8i version or not) and ultimately decided to go with the 3.0si well loaded build with the justification that I was saving money on price and eventually gas. Even though I couldn't be happier with the X5 3.0si I have now, the notion of regret (for not ponying up for the 4.8i when I had the chance) continually haunts me especially when I need to dig in for that extra oomph in merging or passing.

Like you, i've debated trading up for CPO'ed similar year and equipment 4.8i version or even going with a brand new V8 model long and hard but I ultimatley found peace in knowing I can wait it out and get the biggest engine when I'm finally ready to trade her in.