MagnaFlow CARB-Grade California CARB-compliant direct-fit catalytic converter (5421014) for the 2008-2010 BMW 535i and 2008 BMW 535xi 3.0L. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding, and includes gaskets. Meets CARB requirements for legal use in California and CARB states.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | California Grade (CARB compliant) |
| Material | 409 stainless steel, spun body |
| Hardware | Gaskets included |
| OEM Replacement | 18307565685 / 18307565689 |
| Emissions | CARB compliant — legal in California and CARB states |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2010 | BMW | 535i | Base |
| 2009-2010 | BMW | 535i xDrive | Base |
| 2008 | BMW | 535xi | Base |
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