I have absolutely zero complaints about the Conti DSWs. I've had them on my X5 for quite a while now, and I have no complaints. I find no tendency for the car to wander; it's rock steady even at very high speeds.

One note on tire pressures; you really need to check the owner's manual and not rely on the pressures on the drivers door frame. There are quite a variety of recommended pressures, depending on load, speed, and the exact wheels you have; (as there were several wheel sizes offered on the E70.)

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2014 BMW 328i Xdrive
2011 BMW 335i M-Sport
2008 BMW X5 4.8i Sport
2000 BMW 528i 5sp