Completed the following sentence: In its later years, Sauber's links with Ferrari became weaker. They sided with the non-Ferrari teams over planned rule changes at the end of the 2004 season and also joined up with the GPWC. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ BMW's ownership began from 1 January 2006 with BMW having bought Credit Suisse's share in the team. Sauber's final Grand Prix before BMW takeover was the
2005 Chinese Grand Prix, with Massa scoring a welcome sixth place to round off the team's history.<unk> 2005 Chinese Grand Prix, with Massa scoring a welcome sixth place to round off the team's history.<unk> Sauber had finished its independent run in F1 with six third places and two front-row starts being their best results.<unk> Sauber had finished its independent run in F1 with six third places and two front-row starts being their best results.<unk> Sauber had finished its independent run in F1 with six third places and two front-row starts being their best results. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Two former Sauber drivers drove for the new BMW Sauber team in 2006: Nick Heidfeld who was a Sauber driver from 2001 to 2003, and Villeneuve who drove for the team in 2005.