I have several questions about the inside materials. This is for a regular 60/85. No performance and no sig. Steering wheel: From some pictures the steering wheel seems to be leather. Can someone confirm this? Also. Is it the same on all models even if you order a regular 60/85 with textile seats? It's not exactly a deal breaker, but I like the leather steering wheel my bmw has... Seats: If I order the textile seats, what material is the patches that look like leather in the design studio pictures? Leather or "plastic"? Other areas: Are the material of the other areas depending on leather or textile seats? Except the decor which can only be chosen to other than piano black if you have leather seats. I'm thinking of areas like door sides, dashboard, etc. Sligthtly off topic but related: From the design studio pictures, the rear seat belt "outlet" seems different with textile than with leather. Is that true? Why?