Unless it's an iL, the legroom between the 540 and 740 is minimal. Personally, I've never liked the way a 740i looked, it's proportions are wider and larger than the 540, but then to not add that 6" of extra legroom just doesn't look right to me.

The 540 is slight more sporty looks wise, but if the 740i is a true sport, it'll have a higher stall torque converter for a little more jump to get that pig off the line. Personally, I'd get the 540iT just because it's still a quick car, but you can haul lots of crap...and M5 bodykits are very affordable. Then again, you've got an X5 to haul crap, so it's really up to which one is more appealing to the eye since they're all going to be the same maintenance requirements needed in your X5, so at least it won't be unfimilair territory.

I've always wanted a Touring that was a total sleeper (E34 and up M5, 540 S/C'ed, turbo'ed 328i) just so I can destroy some idiot who'd never expect it...I like sleepers

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