MagnaFlow CARB-Grade California-compliant direct-fit catalytic converter (457036) for the 1999-2000 BMW 540i 4.4L. Spun-body 409 stainless tubing with 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 and hardware. Interchanges with OE part 18 30 1 437 546. CARB EO compliant for legal use in California and CARB states.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | CARB-Grade |
| Material | 409 stainless steel (spun body) |
| OEM Replacement | 18 30 1 437 546 |
| Emissions | CARB EO compliant (CA legal) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2000 | BMW | 540i | Base |
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