BMW 540iT Catalytic Converters

Your One-Stop Shop For Trusted BMW 540iT Catalytic Converters

If you’re in search of BMW 540iT Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 3 Catalytic Converters from top brands with prices ranging from $809.99 to $1,042.00.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your BMW 540iT.

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 540iT Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential BMW 540iT Catalytic Converters

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.49786)

Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter

from

$1042.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49786. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 49786 interchanges with OE parts 18 30 1 437 546. 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 California or Federal/EPA Emission systems.

Product Features:
  • Durable 308 stainless steel MIG welds
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

MagnaFlow – Direct-Fit California Grade CARB Compliant Catalytic Converter (Part No.457036)

Direct-Fit California Grade CARB Compliant Catalytic Converter

from

$809.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 457036. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. This Direct-Fit Catalytic Converter is designed to fit the 1999-2000 BMW 540i 4.4L. MagnaFlow 457036 interchanges with OE parts 18 30 1 437 546. 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:
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

MagnaFlow – Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter (Part No.49785)

Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter

from

$1042.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49785. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 49785 interchanges with OE parts 18 30 1 437 545. 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 California or Federal/EPA Emission systems.

Product Features:
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • 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
  • Durable 308 stainless steel MIG welds
See More

Catalytic Converters Brands You Can Trust For Your BMW 540iT

1 trusted brands of Catalytic Converters line our shelves, ready to help keep your BMW 540iT running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Most Purchased BMW 540iT 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 540iT. Here are the MagnaFlow Catalytic Converters Advanced Auto customers buy the most:
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
from $1042.00
This product is not rated
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
Catalytic Converters
Direct-Fit California Grade CARB Compliant Catalytic Converter
from $809.99
This product is not rated
Direct-Fit California Grade CARB Compliant Catalytic Converter
Catalytic Converters
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
from $1042.00
This product is not rated
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
Catalytic Converters

FAQs for BMW 540iT Catalytic Converters

What are the most purchased Catalytic Converters for the BMW 540iT?

Out of 3 Catalytic Converters for the BMW 540iT, the most popular in our inventory are:
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
from $1042.00
This product is not rated
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
Catalytic Converters
Direct-Fit California Grade CARB Compliant Catalytic Converter
from $809.99
This product is not rated
Direct-Fit California Grade CARB Compliant Catalytic Converter
Catalytic Converters
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
from $1042.00
This product is not rated
Direct-Fit OEM Grade Federal / EPA Compliant Catalytic Converter
Catalytic Converters