It’s no secret that BMW and Toyota are in a partnership and their new platform is going to be shared between the Z5 and Toyota’s Supra successor so it makes sense for Toyota to have the Supra built in the same factory as the Z5 since they’re already sharing a platform.
So far, only BMW has announced that they will be giving Magna Steyr, the world’s largest automotive contract manufacturer, a contract to build a new mode. The specific model hasn’t been revealed yet but it could be the Z5. Magna has stopped producing the Mini Paceman and Countryman so there’s two model slots to fill and if the Z5 is filling one of the spaces left behind, maybe Toyotas will take the other available slot.
It makes financial sense to have both models produced in the same plant since the Toyota Supra FT1 is going to source a few of its parts from BMW. The Magna Steyr plant will already be equipped with most, if not all, the necessary tools to produce the Supra FT1 if BMW does decide to have them produce the Z5.
Once the Supra FT1 production is underway and the model has been on the market for a while, Toyota may come out with a more powerful variant which could also be built in Austria.
Toyota 86’s chief engineer, Tetsuya Tada, is pushing for Toyota to add a new performance division or combine with their motorsports subsidiary in Japan, Gazoo Racing. Sure, Toyota currently has the Toyota Racing Development (TRD) division and it was once dedicated to sports cars and performance but recently, the division has been concentrating more on trucks and off road vehicles.
Tada wants something similar to their competitors so Toyota won’t be left behind. Currently Nissan has their NISMO division, Subaru has STI, Mazda has Mazdaspeed, and Honda has Mugen so in order to compete, Toyota will need their own sports car specific division.
If he does succeeded in either creating a new division or combining Gazoo Racing with Toyota, there may be potential for a high performance Supra in the future.