My .02...

I had 2 M3's...An 02' SMG and an AA Supercharged 05' 6 sp. I LIKE performance.

Just spent some time looking at these...Settled on an 06' 4.8is.

Drove the 4.4i with sport. NICE car...VERY comfy to me. I thought I was done. Made the MISTAKE of driving a 4.8is. HAD to have one. Still VERY comfy especially if you are coming from an M3. Mine has the 20" wheels...Again, drives VERY nice. I put 20K miles on a car in a year (daily driver).

I did not even THINK about the 3.0 (sorry 3.0 guys). I wish I had not driven the 4.8is, I could have saved $5K+!!

BTW...From what I have heard, the 8 cyl gets better fuel mileage than the 6!

Reliability? From what I have read, all of them are not immune to issues. Overall reliability is good.

IMO...4.4i SPORT at least for you or you will be bored or just have basic transportation. Again, sorry 3.0 guys...Unless you have had an M3 or similar, it probably does not matter.

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06' X5 4.8is Silver / Black