Anyone recoding to remove the limiter needs to make sure to install V speed rated tires or higher. I run W rated tires on the X.

Having known the '03 4.4 sport pkg base OE tire was unlimited had me ONLY looking for those, or '02/'03 4.6is, when I looked at used Xs.

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!