2009-2016 BMW Z4 Direct-Fit Catalytic Converter 21-172 Magnaflow
SKU: 17413038589

2009-2016 BMW Z4 Direct-Fit Catalytic Converter 21-172 Magnaflow

Sale price$270.00 Regular price$300.00
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

2009-2016 BMW Z4 Direct-Fit Catalytic Converter 21-172 MagnaflowOverview: 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 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 21-172. 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 2009-2016 BMW Z4 and interchanges with OE part 18 30 7 647 051. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation.

Note : Not For Sale in California

Interchange:
Brand  Interchange Part Number
BMW 18 30 7 647 051
BMW 18307647051
BMW 18 30 7 647 051
BMW 18307647051

Application:

Year Make Model Submodel Engine Size
2009 - 2016 BMW Z4 3L/L6

Specs:

Air Tube Adaptable No
Sensor Port Count 0
Overall Length (In.) 46.375
Mounting Hardware Included Yes
Type Direct-Fit
Heat Shield Attached No
Title OEM Grade Direct-Fit
Subtitle Federal / EPA Compliant
Series OEM Grade
Clamp Included Yes
Outlet Attachment Clamp-On
Inlet Attachment Bolt-On
Material Stainless Steel
Finish Stainless Steel
Converter Quantity 1
Substrate Material Ceramic
Gasket Included Yes
Main Piping Diameter 2.5
Hangers Included No
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: 17413038589

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Customer
West Palm Beach, US
★★★★★ 5
Super super glittery!
Color: Fairy-Diamond
Super, super glittery! I ended up returning because, believe it or not, it was too glittery for me! But it's a good product :)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
S
Verified Purchase
soultwin5
San Leandro, US
★★★★★ 4
Decent for the price.
Color: Rainy-Rainbow
The color is pretty, the bottle seems to be working well for now. The atomizer pump is so cute and makes me feel super dainty and girly! I love the xtra refill, the funnel and two glitter glues for makeup looks. The glue is good enough to hold the glitter but not too sticky where it leaves a nasty residue. So that’s a plus and it’s easy to wash off. However, the glitter does not adhere or stay in place on dry skin. I’m assuming it’ll be great to spray on the body if you have some type of oil in for it to adhere too but haven’t tried it yet. Will update next weekend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
J
Verified Purchase
Jazmin
Massapequa, US
★★★★★ 5
10/10
Color: Iridescent-Violet
I love this! It has a lot of glitter and it last a long time! It sprays smoothly and looks so good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
S
Verified Purchase
Sassyondra
Battle Creek, US
★★★★★ 5
Love it.
Color: Rainy-Rainbow
This glitter is gorgeous on. Really easy to apply, sprays evenly and a good amount at once. It wasn’t a nightmare to deal with either clinging to things it fell/rubbed onto which I was pleasantly surprised by. It cleans up very well. A little goes a long way too, so it should last a while. It stayed on my body fairly well throughout the night too. I have really sensitive skin so I was hesitant to even get glitter at all. I tried body glitter 2 years ago but it was a liquid spray kind and I broke out in an intense rash all over. I also have a chronic hive condition so my skin flares up from products due to sensitivity. I did not have ANY issues with this glitter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
J
Verified Purchase
Judith G.
Omaha, US
★★★★★ 5
Absolutely Stunning Glitter with Thoughtful Packaging! | Rainy Rainbow
Color: Rainy-Rainbow, Color: Rainy-Rainbow
This glitter is breathtaking! The sparkles catch the light very beautifully — it has a mesmerizing, holographic shine that’s perfect for adding extra pizzazz to any project. When it arrived, I was pleasantly surprised at how well it was packaged. The box was securely sealed, and everything inside was perfectly intact—minor spills, no mess. A heads up on opening the entire thing: the round container’s Lid is screwed on VERY LOOSELY. Be mindful when you’re unboxing. Screw it back on very tightly. The spray nozzle on this bottle gives such a beautiful, antique perfume vibe—it really elevates the whole experience. It sprays the glitter perfectly, so it’s easy to get a flawless application every time. (Don’t forget to keep the little nozzle cover to protect it!) Honestly, I wouldn’t apply it any other way than with the bottle—it just makes everything so much smoother. 🤷🏻‍♀️ If you happen to go overboard, just grab the closest shirt and wipe off any excess. No point in wasting any of this stuff! :) Oh, & those two little gloss bottles are actually glue, which is perfect for keeping everything right where you need it to be. Here’s a little pro tip: I used the same tape that kept the box sealed to reseal the lid of the round glitter container until I’m ready to use it. Worked like a charm! 😎 It’s a small detail, but it will keep everything neat, and prevent unwanted glitter explosions in the future. If you’re a sparkle lover, you’ll adore this glitter—it’s as pretty in person as it looks online!
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Reviewed in the United States on October 16, 2024

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