HI, I BOUGHT A 1999 LEXUS LX 470 IN APRIL 03 AND I AM COMPLETELY HAPPY WITH THE VEHICLE. I HAVE NOT HAD TO DO ANYTHING TO IT SO FAR BUT THE REGULAR MAINTENANCE, MY QUESTION IS THE LIFE OF THE ENGINE, I BOUGHT THE VEHICLE WITH 77,000 MILES ON IT, I NOW HAVE 105,000 AND STILL GOING STRONG, HOW MANY MILES CAN I EXPECT TO DO ON THIS VEHICLE. IT SEEMS THE HIGHER THE MILEAGE THE MORE EXPENSIVE THE DEALERSHIP SERVICES ARE. PLEASE ADVISE.