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.

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Essential BMW Z4 Catalytic Converters

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5571725 (Part No.5571725)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5571725

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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-170 (Part No.21-170)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 21-170

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.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421206 (Part No.5421206)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421206

from

$367.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5421206. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5571204 (Part No.5571204)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5571204

from

$511.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5571204. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51719 (Part No.51719)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51719

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

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
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.
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aFe POWER – aFe POWER Catalytic Converter, 47-46303 (Part No.47-46303)

aFe POWER Catalytic Converter, 47-46303

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

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84401"

from

$401.99
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.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421205 (Part No.5421205)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421205

from

$367.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5421205. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. 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 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.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84402" (Part No.84402)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84402"

from

$462.99
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.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 83302" (Part No.83302)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 83302"

from

$512.99
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.
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Dorman – Dorman Manifold Converter – Not CARB Compliant – Not For Sale – NY – CA – ME, 674-973 (Part No.674-973)

Dorman Manifold Converter - Not CARB Compliant - Not For Sale - NY - CA - ME, 674-973

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.
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Rein – Rein Exhaust Clamp, EXC0034 (Part No.EXC0034)

Rein Exhaust Clamp, EXC0034

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.
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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 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 Z4. Here are the Walker Catalytic Converters Advanced Auto customers buy the most:
Rein Exhaust Clamp, EXC0034
from $38.99
This product is not rated
Rein Exhaust Clamp, EXC0034
Catalytic Converter Clamps
MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5571725
from $1613.00
This product is not rated
MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5571725
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:
aFe POWER Catalytic Converter, 47-46303
from $953.99
This product is not rated
aFe POWER Catalytic Converter, 47-46303
Catalytic Converters