The original idea was to introduce BBS-supplied wheel rims in 2025, coinciding with the upgrade to the BMW M4 GT3 Evo, but the plan was brought forward by a year in response to the problems.

BMW has already delivered quite a few of the many permutations available to it with M3 saloon and Touring, M4 coupe and Convertible, plus Competition, CS and CSL specs, and rear-drive and M ...