BMW BBS Mini Split Rims Repaired & Refurbished (Hyper Silver) November 14, 2015 BMW BBS Mini Split Rims Repaired & Refurbished (Hyper Silver) Mini Split Rim. Corrosion on Polished edge, started and will increase. Mini Split Rim. Corrosion on Polished edge- has completely eaten away into the metal. Mini Split Rim. Corrosion on Polished edge. Before Refurbishment. Mini Split Rim. Alloy Fully Acid Dipped & Sandblasted to remove all signs of corrosion. Mini Split Rim. Alloy Fully Acid Dipped & Sandblasted to remove all signs of corrosion. Mini Split Rim. Alloy Fully Refurbished- Powder Coated- Hyper Silver. Mini Split Rim. Alloy Fully Refurbished- Powder Coated- Hyper Silver. Mini Split Rim. Alloy Fully Refurbished- Powder Coated- Hyper Silver.