MagnaFlow CARB-Grade CARB-compliant direct-fit underbody catalytic converter (5531222) for the 2008-2011 BMW 528i and 2009-2010 528i xDrive 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 for a proper seal. CARB-compliant and legal in California and CARB states.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | CARB-Grade (California) |
| Material | 409 stainless steel (spun body) |
| Position | Underbody |
| Hardware | Includes gaskets |
| OEM Replacement | 18 40 7 563 731, 18 40 7 596 875 |
| Emissions | CARB compliant — legal in California and CARB states |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2011 | BMW | 528i | Base |
| 2009-2010 | BMW | 528i xDrive | Base |
| 2008 | BMW | 528xi | Base |
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