Talk:Research & Development/BMW 3.0 CSL Hommage/@comment-24.87.136.173-20160402071738

Does anyone know when (i.e. after which test) the following upgrades are allowed to be made?

Top speed: from Level 3 to 4 for 278250 credits

Top speed: from Level 4 to 5 for 2265 tokens

Nitro: from Level 4 to 5 for 1760 tokens

Thanks!