Originally Posted by SunnyD
Interested to see what powertrain they go with...
Actually a good question. The Z4 GT3 runs race derivative if the 4.4L V8 producing 515hp.
The outgoing M3 GT ran 4.0L V8 (P65), pushing 485hp.
Now that homologation rules now longer count. I guess they should be free to run the 4.4L.