Wolfsburg will reportedly make a decision over Brazil striker Grafite's future at the club this week.
Grafite, the top scorer in the Bundesliga in 2008-09, has attracted interest from Turkish club Fenerbahce, who are understood to have made an offer for the forward.
And Wolfsburg, who are demanding transfer compensation of at least £6million, are expected to decide on the proposal in the coming days.
"Grafite is a player of Vfl Wolfsburg, he has a contract until June 2012," Wolfsburg's general manager Dieter Hoeness told Wolfsburger Allgemeine Zeitung.
"However, we have been receiving enquiries for his services."