SKU: 83780498702

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52258

Sale price$396.90 Regular price$441.00
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52258Overview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 52258. 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

Overview:

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52258. 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 2014-2017 BMW X5, 2015-2016 BMW 535i, and more, this direct-fit catalytic converter also interchanges with OE part 18 32 7 643 427. Hardware is included to eliminate the hassle of working with corroded factory parts.

Note : Not For Sale in California

Interchange:

Brand  Interchange Part Number
BMW 18 32 7 643 427
BMW 18327643427
BMW 18 32 7 643 427
BMW 18327643427

Application:

Year Make Model Submodel Engine Size
2014 - 2017 BMW X5 3L/L6
2015 - 2017 BMW X6 3L/L6
2015 - 2016 BMW 535i 3L/L6
2015 - 2017 BMW 535i GT 3L/L6
2015 - 2017 BMW 535i GT xDrive 3L/L6
2015 - 2016 BMW 535i xDrive 3L/L6
2016 - 2017 BMW 640i 3L/L6
2016 - 2017 BMW 640i Gran Coupe 3L/L6
2016 - 2017 BMW 640i xDrive 3L/L6
2016 - 2017 BMW 640i xDrive Gran Coupe 3L/L6

Specs:

Air Tube Adaptable No
Outlet Attachment Clamp-On
Overall Length (In.) 17.375
Outlet Quantity 1
Mounting Hardware Included No
Inlet Quantity 1
Heat Shield Attached No
Type Direct-Fit
Title OEM Grade Direct-Fit
Subtitle Federal / EPA Compliant
Substrate Ceramic
Series OEM Grade
Oxygen Sensor Location Pre Converter and Midbed
Outlet Diameter (In.) 3
Material Stainless Steel
Body Height (In.) 5
Main Piping Diameter (In.) 3
Inlet Diameter (In.) 3.625
Inlet Attachment Clamp-On
Hangers Included No
Gasket Included No
Finish Stainless Steel
Converter Quantity 1
Clamp Included No
Body Width (In.) 5
Body Type Spun
Body Shape Round
Body Length (In.) 11.5
Sensor Port Count 2
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 83780498702

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4.1 ★★★★★
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Verified Purchase
Dennis
Chelsea, US
★★★★★ 5
Great product
Size: 4 Fl Oz (Pack of 1)
Used this stabil in my rider after first start of the season. Machine running rough and uneven. Drained old fuel and added it. Within 15 minutes at full throttle it began to run normal. No back fires and engine back to normal. There will always be a bottle of this in my garage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
S
Verified Purchase
Snowbutch1
Pawtucket, US
★★★★★ 5
Works Great
Size: 8 Fl Oz (Pack of 1)
I"ve used Stabil gas treaments for year but never this particular type. With gas the way it is, I decided to see how it might help my mower and also my older truck. My older push mower which admittedly doesn't get pampered and petted seems to love it. Either it's grateful to get anything special or this stuff really has helped. The first tank seemed a little smoother but by the second I could hear the difference and feel it with the smoother sound and seems more power. It's easy to mix and use and Stabil is a well known reputable company.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
C
Verified Purchase
christy
New York, US
★★★★★ 5
It works!!!!
Size: 2 fl oz
This stuff works!!!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
D
Verified Purchase
Dave Wright
Birmingham, US
★★★★★ 5
STA-BIL Start Your Engines! Because Sometimes Engines Need a Pep Talk
Size: 2 fl oz
So, STA-BIL Start Your Engines! is basically that friend who shows up uninvited but actually saves the day. You know, the one who doesn’t ask questions and just gets your engine running when it’s feeling moody or sluggish. Does it work? Of course it does. Like, “put a little in your gas tank, say a quick prayer, and voila!” kind of work. Suddenly your car remembers how to start, and you feel like a mechanic genius without actually lifting a wrench. It’s simple, it’s reliable, and it doesn’t judge you for letting your gas sit around until it gets that “I don’t want to cooperate” attitude. Pros: Makes your engine start like it just had an espresso shot. Easy to use — even if you’re barely awake in the morning. No weird smells or smoke signals, just clean, smooth starting. Cons: Won’t fix your “I forgot to put gas in” problem. Sadly, can’t make your car drive itself to work (yet). You might start relying on it a little too much — hey, no judgment. Final Verdict: ⭐️⭐️⭐️⭐️⭐️ – 5 stars. If your engine is feeling lazy, this stuff just works. It’s like a pep talk in a bottle for your car. Highly recommended for anyone who’s ever cursed their ignition.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
N
Verified Purchase
Nobody
Chelsea, US
★★★★★ 5
GREAT PROPDUCT
Size: 2 fl oz
EXCELLENT
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026

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