I have a 2002 the owner before me had installed the Good year tripleedge and had lots of noise especially on the rear, found out the problem in the rear tires aren't wearing out evenly !... spoke to the dealer tech he mentioned that he seen this issue before on other x5. He recommended either Michelin MVX4 or Continental I end up going with the Continental option since cost little less and the review was excellent. So I chose the Continental Cross Contact LX sofar have over 20,000 Miles and the ride is superb not a bad investment.

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2002 Black X5 3.0
2001 Silver X5 3.0
2004 Beige RX 330