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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
Upstream O2 Sensor ST-25018 for BMW 328i 335i & Mercedes-Benz C250Replacement part number: ST 25018, ST25018, 50 25018, 5025018 Application: Fit For BMW Vehicle: 130i, 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, Z4, 328i, 328xi, 335i, 335xi, 530i, X3, X5, 128i, 135i, 528i, 528xi, 328i xDrive, 335i xDrive, 528i xDrive, 1 Series M, 335is, 125i Fit For Mercedes Benz Vehicle: C180, C200, C250, SLK250, C200, C63 AMG
Replacement part number:
ST-25018, ST25018, 50-25018, 5025018Application:
Fit For BMW Vehicle:
130i, 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, Z4, 328i, 328xi, 335i, 335xi, 530i, X3, X5, 128i, 135i, 528i, 528xi, 328i xDrive, 335i xDrive, 528i xDrive, 1 Series M, 335is, 125i
Fit For Mercedes-Benz Vehicle: C180, C200, C250, SLK250, C200, C63 AMG
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Great Quality Socks!
Number of Items: 6, Color: Black (6-pairs), Size: Large
These Under Armour no-show socks are perfect—comfortable, breathable, and they stay in place all day without slipping. The fabric feels durable yet lightweight, and they wash up nicely without shrinking. Great value for a 6-pack, and they fit true to size. Exactly what I needed!
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Reviewed in the United States on August 18, 2025
★★★★★ 4
Good for a few uses
Number of Items: 6, Color: Steel Assorted (6-pairs), Size: Large
Elastic breaks down after a few washes and they become "quitters" and slide down into your sneaker. Very soft and comfortable for maybe a dozen wears
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Reviewed in the United States on January 19, 2025
★★★★★ 5
Great socks
Number of Items: 6, Color: Black (6-pairs), Size: Medium
Very nice socks! They are thick, soft, comfortable and good moisture wicking! Good value as well.
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Reviewed in the United States on November 18, 2025
★★★★★ 5
good socks
Number of Items: 6, Color: Red Assorted (6-pairs), Size: Large
I like that they stay on pretty well. also liked the thickness - not too thin / not to thick. also i like that on the inside there are no random threads all over ... i found that to be a problem in similarly priced products from other major brands (and also the cheap options at costco also had that same issue). I've had them a few months and I think they'll last.
*** 1 year Update ***
Still great! I think they'll easily last me 2-3 yrs! Love how comfy they are. easy to pull on / off. nice colors. highly recommend. I bought some road runner sports socks for almost 5X the price at the same time i got these and while the road runner socks are pretty good for sports (they fit tighter so tend to stay on in active mode), i find these under armour socks much more comfy for daily wear.
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Reviewed in the United States on December 7, 2023
★★★★★ 5
Comfortable socs
Number of Items: 6, Color: Black (6-pairs), Size: X-Large
Nice quality and medium thickness. Larger sizes available
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Reviewed in the United States on December 5, 2025