I have the same issue, after the cars warmed up and sitting at a longer stoplight or something ill release a plume of smoke once my rpms go past 1.5-2k.

I did not check my ccvs yet but im going to go down to the dealer by my house tommorrow and see if they have the repair kit in stock cause i dont feel like waiting, if its priced around what they are online ill get them but if its $20 more or something im going to order online.

Edit: pezho405 do you consume more oil then normal? If so how much have you been adding/miles?

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2006 X5 4.8is Fully Loaded