MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (49786) for the 1999-2003 BMW 540i 4.4L, rear (passenger side) position. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth exhaust flow and a leak-resistant seal; installs with no cutting or welding. Federal/EPA compliant for OBDII Federally registered vehicles (not for CA).
Specifications
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| OEM Replacement | 18 30 1 437 546 |
| Position | Rear (passenger side / right) |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2003 | BMW | 540i | Base |
| 1999-2001 | BMW | 740i | Base |
| 1999-2001 | BMW | 740iL | Base |
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