2003 BMW 330i Catalytic Converters

Your 2003 BMW 330i might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Catalytic Converters you desperately need.

We currently carry 3 Catalytic Converters to choose from for your 2003 BMW 330i, and our inventory prices range from as little as $604.99 up to $1,496.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Catalytic Converters for the 2003 BMW 330i. We only sell parts from trusted brands like Dorman so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Catalytic Converters stock in-person!

Catalytic Converters for Your 2003 BMW 330i

MagnaFlow – California Grade CARB Compliant Manifold Catalytic Converter (Part No.452287)

California Grade CARB Compliant Manifold Catalytic Converter

from

$1496.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452287. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2001-2005 BMW 325i, 2001-2005 BMW 325Ci, and more, this direct-fit catalytic converter also interchanges with OE parts 18 40 7 514 502 and 18 40 7 515 104, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-973)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$688.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Dorman – Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME (Part No.674-972)

Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME

from

$604.99
This catalytic converter with integrated exhaust manifold – a.k.a. manifold converter – is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles
  • Convenient kit – includes gaskets and downpipe hardware to simplify installation
  • Durable construction -manufactured within strict tolerances for reliable longevity
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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FAQs for 2003 BMW 330i Catalytic Converters

What are the most popular Catalytic Converters for the 2003 BMW 330i?

With 2 brands you can trust, our most popular Catalytic Converters for the 2003 BMW 330i parts are:
Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
from $688.99
This product is not rated
Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME
Catalytic Converters
Manifold Converter - Not Carb Compliant - Not For Sale - NY - CA - ME
from $604.99
This product is not rated
Manifold Converter – Not Carb Compliant – Not For Sale – NY – CA – ME
Catalytic Converters
California Grade CARB Compliant Manifold Catalytic Converter
from $1496.99
This product is not rated
California Grade CARB Compliant Manifold Catalytic Converter
Catalytic Converters