BMW Z4 Catalytic Converters

Your One-Stop Shop For Trusted BMW Z4 Catalytic Converters

If you’re in search of BMW Z4 Catalytic Converters aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 13 Catalytic Converters from top brands with prices ranging from $38.99 to $1,613.00.

Beyond great prices, we stock trusted brands manufacturing all types of Catalytic Converters for your BMW Z4.

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 Z4 Catalytic Converters below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential BMW Z4 Catalytic Converters

MagnaFlow – California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter (Part No.5531719)

California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter

from

$1213.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 5531719. 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 Manifold Catalytic Converter is designed to fit the 2006-2008 BMW Z4 3.0L. MagnaFlow 5531719 includes (2) Nuts, (2) Bolts, (2) Flange Gaskets, (2) Split Lock Washers and interchanges with OE parts 18 40 7 545 311. 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:
  • Durable 308 stainless steel MIG welds
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
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MagnaFlow – Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter (Part No.21-170)

Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter

from

$1187.00
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-170. 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 2009-2016 BMW Z4 3.0L. MagnaFlow 21-170 includes (3) Nuts, (3) Bolts, (3) Flat Washers, (1) Flange Gasket and interchanges with OE parts 18 30 7 586 741, 18 30 7 647 041. 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
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

Walker – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.84402)

CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)

from

$419.99
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. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.

Product Features:
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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

$605.99
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
See More

MagnaFlow – Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter (Part No.51719)

Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter

from

$724.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51719. 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 Manifold Catalytic Converter is designed to fit the 2006-2008 BMW Z4 3.0L. MagnaFlow 51719 includes (2) Nuts, (2) Bolts, (1) Flange Gasket, (2) Split Lock Washers and interchanges with OE parts 18 40 7 545 311. 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
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

Walker – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.84205)

CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)

from

$206.99
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. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.

Product Features:
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aFe POWER – Catalytic Converter (Part No.47-46303)

Catalytic Converter

from

$953.99
Replace your faulty catalytic converter with aFe POWER’s direct-fit catalytic converter. 100% hand MIG-welded, mandrel bent, 409 stainless steel tubing for strength and durability, this affordable, direct-fit converter is EPA compliant and utilizes factory mounting locations, OE style flanges and includes quality hardware for a quick, bolt-on install. This direct-fit catalytic converter replacement is constructed of 100% hand MIG-welded, mandrel bent, 409 stainless steel tubing for strength and durability.

Product Features:
  • EPA Compliant
  • 100% MIG Welded
  • Utilizes Factory Mounting Locations
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MagnaFlow – Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter (Part No.21-171)

Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter

from

$597.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-171. 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 2009-2016 BMW Z4 3.0L. MagnaFlow 21-171 includes (1) Torca Clamp, (1) Flange Gasket and interchanges with OE parts 18 30 7 597 137, 18 30 7 647 049. 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
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

Walker – CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) (Part No.84401)

CalCat CARB Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)

from

$364.99
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. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.

Product Features:
See More

MagnaFlow – Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter (Part No.21-172)

Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter

from

$601.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-172. 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 2009-2016 BMW Z4 3.0L. MagnaFlow 21-172 includes (1) Torca Clamp, (1) Flange Gasket and interchanges with OE parts 18 30 7 597 139, 18 30 7 647 051. 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
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Your trusted source for EPA-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.5571725)

California Grade Carb Compliant Direct-Fit Catalytic Converter

from

$1613.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5571725. 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 2006-2008 BMW Z4 3.0L. MagnaFlow 5571725 includes (2) Torca Clamps, (2) Flange Gaskets and interchanges with OE parts 18 30 7 547 110, 18 30 7 547 111, 18 30 7 562 227. 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:
  • Durable 308 stainless steel MIG welds
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
  • OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
See More

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

$662.99
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
See More

Rein – Exhaust Clamp (Part No.EXC0034)

Exhaust Clamp

from

$38.99
Rein exhaust clamps are direct-fit OE replacements designed and manufactured to exact standards. Clamps come complete with bolts and hardware to ensure proper fit and function.

Product Features:
  • Rein exhaust clamps are designed as direct-fit replacements to ensure trouble-free proper installation.
  • Rein exhaust clamps come complete with bolts and hardware when necessary for installation to save installation time and additional costs.
  • Replace leaking, damaged or noisy exhaust clamps with Rein premium components to restore your vehicle to safe and optimal performance levels.
  • Replace worn-out exhaust clamps to prevent damage to costly catalytic converters and other exhaust components.
See More

Catalytic Converters Brands You Can Trust For Your BMW Z4

5 trusted brands of Catalytic Converters line our shelves, ready to help keep your BMW Z4 running smooth. Below are some of the most popular brands and their top Catalytic Converters offerings:

Most Purchased BMW Z4 Catalytic Converters from Rein

When you buy the most frequently purchased Rein brand Catalytic Converters, you can be confident it will be the right part for your BMW Z4. Here are the Rein Catalytic Converters Advanced Auto customers buy the most:
Exhaust Clamp
from $38.99
This product is not rated
Exhaust Clamp
Catalytic Converter Clamps
California Grade Carb Compliant Direct-Fit Catalytic Converter
from $1613.00
This product is not rated
California Grade Carb Compliant Direct-Fit Catalytic Converter
Catalytic Converters
California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter
from $1213.00
This product is not rated
California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter
Catalytic Converters

FAQs for BMW Z4 Catalytic Converters

What are the most purchased Catalytic Converters for the BMW Z4?

Out of 13 Catalytic Converters for the BMW Z4, the most popular in our inventory are:
Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter
from $597.99
This product is not rated
Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter
Catalytic Converters
California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter
from $1213.00
This product is not rated
California Grade Carb Compliant Direct-Fit Manifold Catalytic Converter
Catalytic Converters
Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter
from $1187.00
This product is not rated
Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter
Catalytic Converters