We achieved a great leap ahead aerodynamically, made the car lighter overall, and increased the rigidity of the chassis".

Ultimately, this led to Brunner's dismissal midway through the season and it was the former Jordan and Renault Technical Director Mike Gascoyne who came in to replace him.

The resulting TF104B chassis couldn't be considered revolutionary either, but neither was it supposed to be with Gascoyne merely working to try to eradicate some of the initial conceptual flaws in the Brunner design.

The revised car was introduced at the German Grand Prix to some positive effect,[5] but rather than continue on that upward trend, Gascoyne ordered the freezing of any further development to concentrate on the upcoming TF105 chassis to be used in the 2005 Formula One season.

With the arrival of Mike Gascoyne as technical director, alongside the announcements of Jarno Trulli and Ralf Schumacher for 2005, it could be argued that the Toyota F1 operation took on a slightly different feel over the course of the 2004 season.