Before doing anything, go to the dealer in person and ask for the service records. Worst case is they tell you no. Even if the dealer gives you a no, it may be that they can direct you to somewhere you can get the records. Vehicles are in the system by Vin no. so the records are there at least through the mfg. warranty. I suppose it is possible but I don't know anyone that would pay for repairs or maintenance the could be done under the warranty at no charge. If none of that works then I agree with epdarks get a thorough inspection so you know where you stand.

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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas