MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (49791) for the 2006-2010 BMW 550i and 650i V8 (also fits 2006-2008 750i/750Li). 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 hardware. Federal/EPA compliant — not legal for sale in California — for OBDII vehicles.
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Hardware included |
| OEM Replacement | 18 40 7 575 127 / 18 40 7 540 620 |
| Position | Left (driver side) |
| Emissions | Federal/EPA compliant (not legal for sale in California) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2010 | BMW | 550i | Base |
| 2006-2010 | BMW | 650i | Base |
| 2006-2008 | BMW | 750i | Base |
| 2006-2008 | BMW | 750Li | Base |
