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Old 09-25-2011, 02:42 PM
TahoeM3 TahoeM3 is offline
Join Date: May 2005
Location: South Florida
Posts: 328
TahoeM3 is on a distinguished road
The run flats are definitely harsher than regular tires, but I have a hard time believing that they are enough to explain what's going on here, especially on a non-sport model 4.8 with 18" wheels...that would be a relative "creampuff" of the X5s. For comparison, I don't find the suspension on my X5M to be uncomfortable at all, although it is much better without the non-run flats, which add harshness and remove performance.

I'd go back to wondering if this is the right choice for you. The X5 is definitely more sport than pretty much any other SUV, which explains why it handles so well. If you've ever driven any car from Lexus (LFA excluded) and thought "this is just right," then the chances are you're not going to be a BMW guy.

Let us know what happens after you drop the tire pressure or switch to non-run flats.
2017 Nissan GTR Red/black - Tune/midpipe
2013 BMW X5 50i M-sport Alpine white/black - Dinan stage 1
2016 Jaguar F-Type R Gray/red
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