10K miles a year is not a lot.. Most average over 12K.
So, if you go over, at .2O cents a mile.. Lets say you do drive 12K a year, you are going to owe BMW $1200 at the end of your lease (.20x2000x3=1200) You might want to purchase more mileage now. It will only cost you .15 cents/per mile if you buy in advance.

Also, at the end of the lease, look at what the TRADE IN or WHOLESALE VALUE of the car is. If what the purchase price would be is lower, than consider buying.. But understand you still have to pay tax on the purchase price. So if it is within $1000 (which it probably will be..) you will not make money on it..

Here is what I would do, keep the car, enjoy it, maybe pay a few extra bucks to add some more mileage allowance.. When the lease is over, be done with it.. Turn the car in, hand in the keys, smile because you had a great deal and move on to your next vehicle.

If you are in the market for a 4.8is, you probably have some disposable income. Any insignificant money you could make will not be worth your time. Again, we are not talking big dollars here. If you run all the numbers you are going to find only a difference of a few hundred dollars either way.. Certainley not worth your time...

Make sense?
B

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"When two people agree on everything, one of them is not necessary" - Arliss