Does this catalytic converter come with everything needed for installation?

Yes, this Magnaflow catalytic converter includes the necessary gaskets and hardware to help ensure a proper seal and straightforward installation. You won't need to reuse old, corroded factory parts.

Will this catalytic converter keep my check engine light off?

This Magnaflow OEM Grade catalytic converter is designed to meet federal emissions requirements and function like the original equipment, which should help keep your check engine light off when installed correctly.

Is this catalytic converter CARB approved for use in California?

No, this catalytic converter is not CARB approved and cannot be shipped to California. It is designed to meet Federal/EPA emissions standards for OBDII Federally registered vehicles.

2004-2005 BMW 545i Catalytic Converter | Magnaflow 49789

Name: MagnaFlow Conv DF BMW 5-6 04-05 D/S OEM
Brand: Magnaflow
Price: 1085.00 USD
Availability: InStock

MagnaFlow Conv DF BMW 5-6 04-05 D/S OEM

$1085.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2004-2005 BMW 545i. Magnaflow direct-fit catalytic converter designed to keep your check engine light off and meet EPA standards.

Key Features

Fits 2004-2005 BMW 545i, 2004-2005 BMW 645Ci, 2004-2005 BMW 745i, and 2004-2005 BMW 745Li.
Constructed with high-strength 16 gauge 409 stainless steel tubing for excellent corrosion resistance.
Features a spun body design that replicates the OE style for a direct fit.
Single laser fusion weld helps minimize the possibility of leaks.
Compact, low-mass design allows for greater thermal efficiency.
Includes essential gaskets and hardware for a simpler installation.

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Will this fit your vehicle?

Product Details

If you're working on a 2004 or 2005 BMW 545i, 645Ci, 745i, or 745Li and need to replace a catalytic converter, this Magnaflow Direct-Fit unit is a solid option. It's built to keep your check engine light off and ensure your vehicle meets federal emissions standards. Magnaflow uses advanced 3D scanning during their research and development to make sure this converter fits just like the original equipment, so you won't have to fight with it during installation.

This converter is constructed with highly corrosion-resistant stainless steel tubing and features a spun body design, just like the factory part. The single laser fusion weld is designed to greatly reduce the chance of leaks, and its compact, low-mass design helps with thermal efficiency. You'll also find that the included gaskets and hardware make installation straightforward, avoiding the need to reuse old, corroded factory parts. This means you can get your BMW back on the road with confidence, knowing it's compliant with EPA emissions requirements for OBDII Federally registered vehicles.