MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (52925) for the 2015-2020 BMW M4 and 2015-2018 BMW M3. 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. Gaskets and hardware included. Federal/EPA compliant (not for sale in California) for OBDII vehicles.
| Type | Direct-fit catalytic converter (underbody) |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Position | Underbody |
| Hardware | Gaskets and mounting hardware included |
| OEM Replacement | 18 30 8 094 373 / 18 30 7 851 178 |
| Emissions | Federal/EPA compliant (not for sale in California) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2018 | BMW | M3 | Base |
| 2015-2020 | BMW | M4 | Base |
| 2019-2020 | BMW | M4 | CS |
| 2016 | BMW | M4 | GTS |
