Seller notes

BMW E30 E34 BIG BORE Throttle Body 325i 325is 325ic 525I M20B25. This is a fully rebuilt and a custom machined BMW throttle body. The I.D. is bored out to 64.15mm with a New brass plenum machined and installed with 30 relief. THIS IS PROFESSIONALLY DONE WITH THE NEW LARGER BRASS PLENUM PLACED IN BETWEEN THE ROD NOT LIKE OTHERS WHO JUST SCREW ON TOP OF THE ROD. So the slot in the rod is widened as well. This would be a great improvement for your e30 or e34 to increase air flow for more HP and Tor...

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