M57 E70/E90 Billet 6061 Aluminum ASV throttle adapter Revised & tested to hold 70psi+ 11618506078 and 11618506079

This billet aluminum solution offers a clean upgrade to the OEM plastic ASV fitting that routinely breaks.  This upgrade utilizes the factory retainer clip and features an upgraded seal that has been tested to seal and hold 70psi+.  Look for custom silicone adapters for both E70 and E90 to be added in weeks to come.

Replaces the Upper elbow on 11618506078 and 11618506079