BMW 128i Catalytic Converters

Your One-Stop Shop For Trusted BMW 128i Catalytic Converters

If you’re in search of BMW 128i Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 3 Catalytic Converters from top brands with prices ranging from $307.99 to $1,141.99.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your BMW 128i. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are MagnaFlow and Walker.

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 128i Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential BMW 128i Catalytic Converters

MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50290)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1129.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50290. 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 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 544 510 and 18 40 7 545 308, 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 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.84205)

CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed

from

$307.99
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
  • BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty
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MagnaFlow – HM Grade Federal / EPA Compliant Manifold Catalytic Converter (Part No.50291)

HM Grade Federal / EPA Compliant Manifold Catalytic Converter

from

$1141.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50291. 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 2007-2013 BMW 328i, 2009-2013 BMW 328i xDrive, and more, this direct-fit catalytic converter also interchanges with OE parts 18 30 7 547 840 and 18 40 7 545 309, 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 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.
See More

Catalytic Converters Brands You Can Trust For Your BMW 128i

2 trusted brands of Catalytic Converters line our shelves, ready to help keep your BMW 128i running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Most Purchased BMW 128i Catalytic Converters from Walker

When you buy the most frequently purchased Walker brand Catalytic Converters, you can be confident it will be the right part for your BMW 128i. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
from $307.99
This product is not rated
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
Catalytic Converters
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1141.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Catalytic Converters
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1129.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Catalytic Converters

FAQs for BMW 128i Catalytic Converters

What are the most purchased Catalytic Converters for the BMW 128i?

Out of 3 Catalytic Converters for the BMW 128i, the most popular in our inventory are:
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
from $307.99
This product is not rated
CalCat Catalytic Converter- CARB Certified, Universal / Fabrication Needed
Catalytic Converters
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1129.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Catalytic Converters
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
from $1141.99
This product is not rated
HM Grade Federal / EPA Compliant Manifold Catalytic Converter
Catalytic Converters