Product details

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481683. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 1996-1998 BMW 740iL and 1997-1998 BMW 540i, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 505 322 and 18 30 1 437 354, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles. Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481683. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1997-1998 BMW 540i 4.4L & 1996-1998 BMW 740iL 4.4L. MagnaFlow 4481683 includes (2) Donut Gaskets and interchanges with OE parts 18 30 1 437 354, 18 30 1 709 618, 18 30 1 745 129, 18 30 1 745 666, 18 30 7 505 322. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles. Magnaflow California Direct-Fit Catalytic Converter California CARB Direct-Fit Catalytic Converter California Direct-Fit Catalytic Converter

Manufacturer fitment & guides

Check 4481683 against the manufacturer’s application information below.

• MagnaFlow manufacturer exhaust application catalog ↗