BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20

BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20

BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20
Product Information
 price
$1,466.00
$1,759.20 Save: $293.20

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BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20 free shipping

BMW M4 Catalytic Converter - Underbody - Magnaflow - Direct Fit Converter - `15-`20. This OEM-grade, direct-fit underbody catalytic converter is designed for fit and function on 2015–2020 BMW M4 (and compatible with 2015–2018 M3 applications), offering a reliable replacement that retains factory flow characteristics.

Built by MagnaFlow using precise 3D-scanned dimensions, this converter replicates OE spun-body design and uses high-corrosion-resistant stainless steel tubing and a single laser fusion weld to reduce leak points. The compact, low-mass construction helps thermal efficiency while mandrel-bent tubing preserves exhaust geometry for consistent engine performance and fuel economy. Hardware is included to simplify installation without cutting or welding when using proper tools. This part interchanges with OE numbers 18 30 8 094 373 and 18 30 7 851 178 and is manufactured to meet Federal/EPA emissions requirements for applicable vehicles.

Features

  • Direct-fit OEM-style spun body design for precise fit
  • High-corrosion 409 stainless steel tubing and 410 stainless hangers
  • Mandrel-bent tubing for maintained exhaust flow and efficiency
  • Single laser fusion weld to minimize potential leak points
  • Includes necessary hardware and Torca AccuSeal® style clamps for reliable sealing

If you have questions or want help confirming fitment, call us directly: 512-982-9393 (TX) or 562-981-6800 (CA). We have two service locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services—please confirm local emissions rules before installing. If you're considering multiple items, contact us for shipping discounts. We install on premises at both locations.

Disclaimer: Some images in our product listings that are provided by the manufacturer/ supplier are for illustration purposes only and may not be an exact representation of the item. The product listing details are accurate for the item offered. Please refer to the product description for precise specification and as always do not be hesitant to reach out to us with any questions.



CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

About Manufacturer

QUALITY. POWER. SOUND.

These words are not just the MagnaFlow slogan, its the philosophy that drives the company to superior quality products with the power and sound you’re looking for.


MagnaFlow got its start as a natural extension of Car Sound Exhaust, the parent company to MagnaFlow. Car Sound Exhaust specializes in superior catalytic converter and performance exhaust technology, and has been doing so for the past 35+ years, earning their reputation as an international market leader. In addition to the MagnaFlow brand, Car Sound Exhaust also represents Rumble and BRExhaust, further cementing the company as an industry leader in all areas of replacement and performance exhaust.

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Two locations to serve you

AUSTIN, TX

22108 SH 71 W.
Spicewood, TX 78669
512-982-9393
Mon-Fri: 9 AM - 6PM CST
Sat-Sun: Closed

LOS ANGELES, CA

2716 Dawson Ave.
Signal Hill, CA 90755
562-981-6800
Mon-Fri: 9 AM - 6PM PST
Sat-Sun: Closed