It is always a good idea to use one-piece 2023 Mini Cooper wheel spacers of proper thickness.
If you need 1-inch 2023 MINI Cooper wheel spacers, just buy genuine 1-inch 5×112 spacers.
BONOSS 2023 MINI Cooper wheel spacers are designed with better multi-stage hub-centric rings.
The multi-layer design provides the bevels to fit the corresponding hub flange, which eliminates any possible gaps.
The wheels are well-balanced so that there will be less chance of vibrations.