BMW 323i Catalytic Converters

Your One-Stop Shop For Trusted BMW 323i Catalytic Converters

If you’re in search of BMW 323i Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 4 Catalytic Converters from top brands with prices ranging from $438.99 to $1,068.99.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your BMW 323i. Of the 3 OEM and aftermarket parts brands we carry, some of the most popular are MagnaFlow, Walker, and BRExhaust.

And don’t forget to read customer reviews across all Catalytic Converters categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Catalytic Converters have to cost top dollar, and we prove it. Browse our top BMW 323i Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential BMW 323i Catalytic Converters

BRExhaust – Standard Load Federal / EPA Compliant Direct-Fit Catalytic Converter – 099-049 (Part No.099-049)

Standard Load Federal / EPA Compliant Direct-Fit Catalytic Converter - 099-049

from

$797.99
Product Features:
  • Product might not be available in all states due to local laws.
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MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.418005)

California Grade CARB Compliant Universal Catalytic Converter

from

$438.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418005 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. 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 formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50176)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1068.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50176. 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 1999-2000 BMW 323i, 1999-2000 BMW Z3, and more, this direct-fit catalytic converter also interchanges with OE parts 11 62 7 503 675 and 11 62 1 732 939. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

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 EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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Walker – CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed (Part No.82629)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$863.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:
  • CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
  • CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
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Catalytic Converters Brands You Can Trust For Your BMW 323i

3 trusted brands of Catalytic Converters line our shelves, ready to help keep your BMW 323i running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Most Purchased BMW 323i Catalytic Converters from MagnaFlow

When you buy the most frequently purchased MagnaFlow brand Catalytic Converters, you can be confident it will be the right part for your BMW 323i. Here are the MagnaFlow Catalytic Converters Advanced Auto customers buy the most:
California Grade CARB Compliant Universal Catalytic Converter
from $438.99
This product is not rated
California Grade CARB Compliant Universal Catalytic Converter
Catalytic Converters
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
from $863.99
This product is not rated
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
Catalytic Converters
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1068.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Catalytic Converters

FAQs for BMW 323i Catalytic Converters

What are the most purchased Catalytic Converters for the BMW 323i?

Out of 4 Catalytic Converters for the BMW 323i, the most popular in our inventory are:
California Grade CARB Compliant Universal Catalytic Converter
from $438.99
This product is not rated
California Grade CARB Compliant Universal Catalytic Converter
Catalytic Converters
Standard Load Federal / EPA Compliant Direct-Fit Catalytic Converter - 099-049
from $797.99
This product is not rated
Standard Load Federal / EPA Compliant Direct-Fit Catalytic Converter – 099-049
Catalytic Converters
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1068.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Catalytic Converters