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Description
Dinan Semi-Open Intake - BMW / F-Series / B46 / B48Looking for more sound than what can be attained from the standard Dinan closed box intake for F2x F3x B46 B48 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. Beyond the additional sound
Looking for more sound than what can be attained from the standard Dinan closed box intake for F2x/F3x B46/B48 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.
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 a major factor 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 which robs the factory system of potential power. These two 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 B46/B48 engine to elicit gains of 6 HP and 6 TRQ at 5000 RPM on a completely stock vehicle.
Not to be outdone by the performance side of the equation, the B46/B48 intake also is completely made up of carbon fiber unlike 4-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 B46/B48 carbon fiber intake is a modification that is a must for any enthusiast that places sound atop their requirements list.
Features:
- More Power: + 6 HP @ 5000 RPM & + 6 lb-ft @ 5000 RPM (+ 5 WHP & + 5 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 (ove 20% larger then stock)
- Quick and easy installation
- 50 State Emissions Legal (partial application list): CARB EO D-176-56 (2019-21 F2x/F3x 230i/330i/430i Only)
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4.7 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Fate. She is powerful.
Format: Paperback
“She loves me. And I broke her heart.” (p.246)
Fate. She is powerful. She comes from deep historical roots with points of view that range from philosophy (a diverse range of POVs), Psychology and Religion. Here, fate is frequently portrayed as an inescapable, cosmic force that binds Sienna and Jasmine. An inevitable rather than accidental “destined mates” scenario, believed by one, “she just goes with the flow. Wherever fate takes her,” (p.323) and discredited by the other. And yet free will insists on entering the room. Why? Because choices still happened. Some careful. Some reckless. Fate may have guided the path, but Sienna and eventually Jasmine took control. The turbulence mattered. The risk mattered. “Find Sienna. Be with her. Win at life again.” (p.263) And still, despite everything, the plane landed.
Jasmine, was shaped early by trauma, a mother’s shame cutting deep as she punished her daughter for refusing the narrow role of a dutiful woman and never letting her forget the cost of that refusal. As a result, Jasmine believed she was lacking, selfish, too egotistical, abandoned heritage, family, and God. Nor would she ever find true happiness in the arms of a woman. Stripped of her creative & artistic soul. Once magnanimous, Jasmine went colorless. Alas, the tormented, detached, aloof CEO Ice Queen. Putting duty, image, and reputation first. Sad. Broken. Lost. Caged. Winter presents the struggle well, a trademark and also draws from other Ice Queen characteristics in previous novels.
Sienna the artist, lived for freedom. “A playful fearless spirit, gentle and free, who existed only to roam and learn and embrace new experiences. Someone with an enthusiasm for life and love,” (p.255) reflected sprinkles of Eden (The Villian Series), planted herself within the head and heart of one Jasmine Gemayel. Admired and enamored during her youth, Sienna, as an adult, was fated to melt the Ice.
The story that links these two (past to present) is heartfelt and heartbroken. An accidental opportunity, a meeting of artistic minds, a cage, a bird, a sweet memorable dog, a hurtful twist, an awakening, a second chance, and a happily ever after. A recipe for emotional satisfaction.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Phenomenal!!!
Format: Kindle
I wholeheartedly loved this book and look forward to listening to it when the audiobook comes out! The characters are well rounded, flawed, and delicious. The dialogue was incredible and the banter was spectacular. This was a hard book to put down and I didn’t want it to end.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
a work of art
Format: Kindle
This book is rich in colors, ideas, characters and story line. It gently makes you fall in love with the characters, and slowly reveals the flaws that make them more human and lovable. The story reminds us how important our words are, and how they can change lives, for better, worse, or both. It also reminds the reader of the importance of not forgetting who you are and your passions. Even in the difficult parts, it was a joy to read.. and the ice queen did not disappoint. This writing was a work of art.
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Lee always knocks it out the park.
Format: Kindle
As always, When She Flies is very well written and the detail is great. I really enjoyed the little nuances in this book. Oliver had to be my favorite with his excitement. It was intriguing to see Ethan grow into more than an antagonist which is what I thought he was going to be. Sienna’s openness and honestly was refreshing and so was Jasmine’s brutal honestly which reminded me of Elena from The Brutal Truth. Overall, I loved this book.
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Winter strikes again
Format: Kindle
No one writes an ice queen quite like Lee Winter. This book has less of her tongue in cheek humor and is a little more angsty. The main characters meet again by chance, or as Sienna would say, fate. Jasmine only vaguely remembers teenage Sienna, and actually thought she was a boy. Sienna, of course, remembers Jasmine because her influence changed the course of Sienna's life.
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Reviewed in the United States on February 6, 2026