Which to buy? 4.6 or 4.8?

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OK - I made a thread a little ago on moving up from the 540i to a X5 - I am about to make a purchase but cannot decide which one I want

I have:

Option 1:
2003 4.6 - 40k miles, blue, black leather etc

Option 2:
2004 4.8 - 40k miles, Le Mans blue, cream/black leather etc

Both fully optioned, 4.8 is off course a little more expensive.

Because the 4.6 has the M62 which is at the end of thier production here, will this make hat motor more reliable as oppose to the N62?

I like the wheels better on the 4.6, angel eyes dont bother me.

What do you guys think?