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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
For Your Every Summer RSVP, with Code: SUMMER15
Description
Dinan Semi-Open Intake - 2016-2021 Bmw M240I/340I/440I, Carbon Fiber-D760-0046-ALooking for more sound than what can be attained from the standard Dinan closed box intake for F2x F3x B58 powered vehicles and don't want to sacrifice all the performance gains or the beautifully crafted carbon fiber design in the process? This semi open variant of the same intake meets those demands using a revised lid with an additional auditory port so those intoxicating turbo noises can be more easily heard. When paired with the optional turbo
Looking for more sound than what can be attained from the standard Dinan closed box intake for F2x/F3x B58 powered vehicles and don't want to sacrifice all the performance gains or the beautifully crafted carbon fiber design in the process? This semi-open variant of the same intake meets those demands using a revised lid with an additional auditory port so those intoxicating turbo noises can be more easily heard. When paired with the optional turbo inlet the full intake tract to the turbo is effectively replaced for further audio enhancement. Beyond the additional sound opening the semi-open intake takes the same path to success as its closed box counterpart. Improve upon the factory design by increasing flow via a larger airbox and filter element thereby improving throttle response and lessening the strain on the turbocharger for maximum efficiency. While box and filter enlargement and redesign are major factors in ultimately producing a more potent intake, they are not the only variables in creating a more efficient design either. The devil is in the details which is where Dinan thrives. Dinan engineers focused their attention on the intake pipe itself where numerous improvements could be made. In factory configuration, the intake tube comes complete with baffling and a small Helmholtz chamber to reduce unwanted sound. As a byproduct, these features also cause a more turbulent airflow path that robs the factory system of potential power. These 2 specific details are diametrically opposed to our intended market's desires so the removal of these features was paramount. Through numerous iterations, a carbon fiber intake tube was developed that eliminated flow disruptions and allowed the natural sound of an unimpeded intake tract to sing. All told this thorough methodology of design allows the Dinan carbon fiber intake for the B58 engine to elicit gains of 15 HP and 13 TRQ 6000 RPM on a completely stock vehicle. An impressive feat on today's turbocharged engines. Not to be outdone by the performance side of the equation, the B58 intake also is completely made up of carbon fiber unlike 6-cylinder intakes of previous generations where a mix of materials were used. Not only is the intake completely carbon construction but the quality of the material has been improved as well. While looks are surely important, and this piece has that department covered in spades, the improved construction and coating also guarantees that the appearance of the engine bay with the Dinan intake will not be marred over time. Built to elicit a more pronounced sound, imbue the engine bay with some carbon class, perform, and last the duration-- the Dinan semi-open B58 carbon fiber intake is a modification that is a must for any enthusiast that places sound atop their requirements list.
Features:
- More Power: + 15 HP @ 6000 RPM & + 13 lb-ft @ 6000 RPM (+ 13 WHP & + 11 WTQ) without additional modifications
- A pronounced sporty sound courtesy of a semi-open design
- Improved throttle response
- Larger volume air box (30% larger than stock) for increased breathability
- 34% increase in filter area (stock: 76.3in², Dinan: 102.1in²) for optimum flow
- Optimized carbon fiber intake tube
- Free flowing injection molded Air Mass Meter housing (8% larger then stock)
- Quick and easy installation
- 50 State Emissions Legal (partial application list): CARB EO D-176-56 (2019-21 F2x/F3x M240i/340i/440i Only)
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
4.2 ★★★★★
Based on 2180 reviews
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Product Reviews
★★★★★ 4
Comfy!
Special Size: 27.5" Full Length with Pockets, Size: Large, Color: Black
Super comfy, not as much tummy control as I would like but perfect for house work, going to the gym or grocery shopping. Love that these have pockets!! Thin so not too hot and stretchy too.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Great leggings!
Special Size: 27.5" Full Length with Pockets, Size: Medium, Color: Black
These are great leggings! They’re my third pair. They are comfortable, lightweight, and fit great. I wouldn’t say they are buttery soft as compared to other leggings that are listed the same texture, however they are soft and smooth. The pockets are a must and are positioned perfectly.
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Reviewed in the United States on January 9, 2026
★★★★★ 5
So excited I found these!
Special Size: 27.5" Full Length, Size: Small, Color: Black, Special Size: 27.5" Full Length, Size: Small, Color: Black
Extremely impressed with these leggings! These athletic leggings are absolutely amazing! The material is incredibly soft and feels so comfortable against the skin. The quality is top-notch, with a durable yet flexible fabric that moves perfectly with your body. They are completely squat-proof, which makes them perfect for workouts, and they stay in place without sliding down, no matter how much you move. Some of my more expensive name brand leggings don’t check all the boxes; as these do! These leggings truly combine comfort, quality, and performance—highly recommended!
Also- I am 5’3/5’4 and these hit right at my ankle
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Reviewed in the United States on July 22, 2025
★★★★★ 5
Really soft and comfortable for the price!
Special Size: 27.5" Full Length, Size: Small, Color: Ocean Blue, Special Size: 27.5" Full Length, Size: Small, Color: Ocean Blue
These are soooo soft and the quality is amazing! They feel like they would be way more expensive! I love the color and get lots of complements.
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Fabulous!
Special Size: 19" Capri with Pockets, Size: X-Small, Color: Flamingo Pink
These are AMAZING! Just received my first two pairs ( black and flamingo pink) and I am back ordering more! They are so smooth and soft and feel great! They fit so well-not to restrictive but have strength enough in the Lycra to look amazing (not the thin, flimsy, cheap tights/leggings). I live in the Sunshine State so I can wear these to workout and run indoor or outdoor practically year round. I prefer this shorter length because they are cooler to wear in the 95° heat 100% humidity. So hoping they make these in the green color and the bright blue color that is available in the full length active leggings! These are my new favorite crop active leggings! Please, please, please make more colors! Amazon, these are fabulous quality and style and at this price point, I'd buy every color and pattern available (I just don't do flesh tones).
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Reviewed in the United States on July 8, 2025
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