1999 BMW 540i Catalytic Converters

Your 1999 BMW 540i 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 1999 BMW 540i, and our inventory prices range from as little as $809.99 up to $1,041.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Catalytic Converters for the 1999 BMW 540i. We only sell parts from trusted brands like Magnaflow 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 1999 BMW 540i

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

OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$1041.99
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 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 1999-2003 BMW 540i, 1999-2001 BMW 740iL, and more, this direct-fit catalytic converter also interchanges with OE part 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:
  • 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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MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.457035)

California Grade CARB Compliant Direct-Fit Catalytic Converter

from

$809.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 457035. 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. This direct-fit catalytic converter is designed specifically for the 1999-2000 BMW 540i and interchanges with OE part 18 30 1 437 545. 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.
See More

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

California Grade CARB Compliant Direct-Fit 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 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. This direct-fit catalytic converter is designed specifically for the 1999-2000 BMW 540i and interchanges with OE part 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:
  • 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.
See More

FAQs for 1999 BMW 540i Catalytic Converters

What are the most popular Catalytic Converters for the 1999 BMW 540i?

With 1 brands you can trust, our most popular Catalytic Converters for the 1999 BMW 540i parts are:
California Grade CARB Compliant Direct-Fit Catalytic Converter
from $809.99
This product is not rated
California Grade CARB Compliant Direct-Fit Catalytic Converter
Catalytic Converters
California Grade CARB Compliant Direct-Fit Catalytic Converter
from $809.99
This product is not rated
California Grade CARB Compliant Direct-Fit Catalytic Converter
Catalytic Converters
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
from $1041.99
This product is not rated
OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter
Catalytic Converters