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Description
Dinan High Flow Drop-In Replacement Air Filter - BMW 228I/320I/328I/428I (N20/N26)Dinan High Flow Drop in Replacement Filters are a direct upgrade to your factory intake system and will instantly provide better flow to assist your engine in achieving maximum performance and efficiency! While factory paper filters function admirably, they can be restrictive to performance goals given the material used. They also require being replaced numerous times during the lifespan of the vehicle, which can add up to a substantial amount in
Dinan High Flow Drop-in Replacement Filters are a direct upgrade to your factory intake system and will instantly provide better flow to assist your engine in achieving maximum performance and efficiency!
While factory paper filters function admirably, they can be restrictive to performance goals given the material used. They also require being replaced numerous times during the lifespan of the vehicle, which can add up to a substantial amount in maintenance costs. Limited performance and increased maintenance costs are never ideal but can be resolved effectively and economically in the case of filters. Dinan High Flow Drop-in Replacement Filters are constructed of 4 layers of cotton gauze that allow better flow and less pressure drop than the stock media. This equates to the engine not needing to work as hard to make the same, or more power. Additionally, the use of oiled cotton media means that the Dinan filters are washable/re-usable while still retaining excellent filtration and ensuring your engine runs clean for the duration.
When upgrading to a complete Dinan intake system for best performance, is not available, possible, or within the budget, Dinan High Flow Drop-in Replacement Filters have you covered!
General D401-0040 Filter Dimensions: 225mm x 202mm (8.86" x 7.95") Compatible OEM Part #Cross Reference: 13718507320
Features:
- Less restrictive and better flowing than stock allowing maximum engine performance and efficiency
- Direct replacement for stock air filter
- 4 layers of proprietary high flow oiled cotton gauze material for exceptional filtration
- Washable and reusable for the life of the engine
- Quick and easy installation
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
4.4 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Lightweight moisturizer, worth it.
Love it! Its lightweight and silky. Makes my skin feel hydrated and smooth. I apply after cleansing my face..can't say if it actually provides 80hr moisture. So far so good. Would repurchase.
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Reviewed in the United States on May 3, 2026
★★★★★ 4
9/10
This is a pretty good moisturizer, im not sure if this gave me bumps on my face or it’s just a breakout, perhaps from one of my makeup brushes. Overall very moisturizing, doesn’t really have a sent, it is a little bit thick but not super thick.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
10/10
I really love this moisturizer, I started using a retinal and since i usually dont ease into it, my face does get dry and flaky. I was using a different one and it would work for a little while then i would feel dry a while after. Thayers actually feels like it kept my face moisturized even the next morning. It took a couple days to feel it best because my face was already dry from the retinal, but after once my skin soaked it all in it felt great. Its thin, soft and light, not heavy. No scent other than the normal unscented lotion smell. I use it day and night. 14 dollars was questionable, but its so worth it.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Buy but save some for me!
Moisturizing and light weight not greasy!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
I will never stop using this product!
I can't say enough about this product. I have been using it for years. I do not like heavy creams or the feeling of it on my skin. This is perfect for me. It's lightweight and very hydrating. I use day and night. I technically use it twice, I use it as my moisturizer then after my sunscreen I will mix a small amount of it into my foundation....to thin it out a bit. It leaves my skin glowing. I LOVE Thayers products.
FYI: I have mature, sensitive, dry skin.
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Reviewed in the United States on May 8, 2026