Description
Designed to replace the factory exhaust catalyst on select BMW platforms, MagnaFlow's OEM-grade Direct-Fit Catalytic Converter 49786 maintains proper emissions compliance while preserving driveability. This direct-fit unit delivers free-flowing mandrel-bent tubing and corrosion-resistant stainless steel construction, enabling a straightforward installation with no cutting or welding required. MagnaFlow’s advanced metrology ensures a precise OE-like fit, while a spun body with a single laser fusion weld minimizes leaks and supports thermal efficiency. Compatible with BMW models including the 1999-2003 540i and the 1999-2001 740i/740iL, it interchanges with OE part 18 30 1 437 546 and meets EPA emissions standards for OBDII-equipped vehicles.
Features:
- Free-flowing mandrel-bent tubing for optimal flow
- Highly corrosion resistant stainless steel construction
- Direct-fit catalytic converter for easy installation
- Single laser fusion weld reduces leak risk
- Compact, low-mass design improves thermal efficiency
- OE spun body design ensures precise fit
- Interchanges with OE part 18 30 1 437 546
- EPA/Federal emissions compliant for OBDII BMW
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2003 | BMW | 540i | Base |
| 1999-2001 | BMW | 740i | Base |
| 1999-2001 | BMW | 740iL | Base |
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