Original ZF bevel mate shaft for BMW limited slip medium case differential (type 188mm). One piece
Type 188mm differentials were fitted to following cars:

• E36 - 323i; 325i; 328i; M3 3.0; 325td/s
  
• E34 - 518i; 520i; 525i; 530i; 524td; 525td/s
  
• E32 - 730i;
  
• E28 - 518i; 520i; 525i; 528i; 524td
• E30 - 325i; 324td
  
• Some other models (E23, E21...)