Replace your faulty BMW OE catalytic converter P/N: 18307836634 with aFe POWER’s direct-fit catalytic converter. 100% hand MIG-welded, mandrel bent, 409 stainless steel tubing for strength and durability, this affordable, direct-fit converter is EPA compliant and utilizes factory mounting locations, OE style flanges and includes quality hardware for a quick, bolt-on install.

Stainless Steel Construction
This direct-fit catalytic converter replacement is constructed of 100% hand MIG-welded, mandrel bent, 409 stainless steel tubing for strength and durability.

EPA Compliant Catalytic Converter
EPA compliant catalytic converter.

Factory Mounting Locations
This direct-fit catalytic converter replacement mounts directly to OE mounting locations and includes high quality hardware for a hassle-free installation.

Also Fits:
BMW Z4 M Roadster (E85) 05-08 / Z4 M Coupe (E86) 06-08 L6-3.2L (S54)

Emissions Disclaimer:
This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.

This system is engineered and manufactured in our Corona, California manufacturing facility.