Product Details
About this part
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: This product is an 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.
aFe POWER exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
This product is EPA compliant, not for sale or use on vehicles certified for the state of California. Consult your state or local authority for any additional clarification. Replacement of catalytic converters (if equipped) is allowed only under the following conditions: 1) if the vehicle is missing a converter; 2) if a state or local inspection program has determined the existing converter has been lead-poisoned or damaged or otherwise needs replacement; or 3) if the vehicle is more than five (5) years old or has more than 50,000 miles and a legitimate need for replacement has been established and documented. This product only fits those vehicles as listed in the application table.
Fits the Following Vehicles
- BMW Z4 M Coupe (E86) 2006-2008 L6-3.2L S54
- BMW Z4 M Roadster (E85) 2006-2008 L6-3.2L S54
Fitment
Not sure it fits? Contact us with your car's year, model and VIN and we'll help you confirm before you order.
If a part doesn't fit as expected, contact us and we'll work with you to resolve it.
Majority of products have a fitment section in the product description or within the title.
Returns
- Unused, uninstalled parts can be returned or exchanged within 30 days of the order date.
- To start a return: Contact us first, don't use Return to Sender.
- Returns can have up to a 20% restocking fee.
- Built-to-order and special-order items can't be returned or cancelled once production begins.
Shipping
- Orders are processed 7 days a week to ensure your product ships as quickly as possible.
- Inspect parts within 10 days of delivery, and reach out regarding any damage or missing pieces.
See our Tariff Policy
Warranty
- All parts retain the manufacturer's warranty.
- Warranty claims are subject to the manufacturer's approval.