You didn't indicate whether you're running the M or 3.0i. If the 3.0i, keep an eye on your rear brake pad wear. TC on the non-M is all done through the brakes and your rears will get quite a work out.
Take your torque wrench with you and check torque on all lugs on all 4 wheels between each session. Your brakes and therefore your hubs and wheels will see a lot more heat which can make the lug bolts loosen up a bit.
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