Complex sentence: After the Team Abt a privately developed Abt-Audi TT-R used in the years 2000 to 2003 and in the DTM season 2002 with Laurent Aiello had won the title, followed in 2004 by the re-entry of Audi as a factory team in the DTM.
Split into simpler sentences: After the Team Abt, a privately developed Abt-Audi TT-R was used in the years 2000 to 2003 and in the DTM season 2002 with Laurent Aiello. They had won the title, followed in 2004 by the re-entry of Audi as a factory team in the DTM.