Green bars gone, or one year minimum. If nothing else, the motor oil and filter need to be changed. Just call your service center and the service advisors there will recommend let you know what work is needed. If your X is still under the 4yr maintenance deal, then it's all covered for free.

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'06 X5 4.8is, TiAg/black, cold weather pkg., comfort seats
'07 750Li, TiAg/black, sport pkg.
'05 Ford F350 silver met./slate gray, Lariat, 6.0 PSD, CC, DRW, FX4