1980's Ibishu 300BX 1.71

Hello everyone! I have a minor update for you all, here is the changelog:

• redone windows
  
  
• fixed mirrors
  
  
• Proper Ibishu logo

• fixed exterior shading on fenders and front end
  
  
• cleaned up and corrected front bumpers to a more accurate look
  
  
• remade some old meshes that were forgotten
  
  
• Made front tension rod bushing slightly stiffer and not 35 year old rubber
  
  
• added missing rear antenna base and fixed small details
  
  
• updated carpet texture