E21 M10 Throttle Body (BMW PN: 1270422)

Suitable for 9/1979 onward E21 M10b18 engines.

• Completely disassembling and ultrasonically cleaned.
  
  
• Strip existing oxidized plating off steel components, polish and replate in fresh zinc yellow chromate where appropriate and original. 
  
  
• All aluminum, brass components are vapor honed inside and out.
  
  
• Throttle shaft, plates and pivot arm vapor honed, polished or brushed.
  
  
• New double sealed INA or SKF throttle shaft bearings pressed into the housing
  
  
• Fully reassembled with new throttle plate screws and O-rings.