Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Dinan G8x M3/M4 Foundation Package (F) G8X-M3M4-F-GBDinan G8x M3 M4 Foundation Package (F) Foundation packages represent the most direct path to increased power while retaining drivability and safety. The combination of Dinan modifications work harmoniously with one another and offer a balanced blend of enhanced engine efficiency, improved acceleration and increased power to go along with a tasteful high performance look and unmistakable Dinan sound. Whether you start with the base Foundation package
Dinan G8x M3/M4 Foundation Package (F)
Foundation packages represent the most direct path to increased power while retaining drivability and safety. The combination of Dinan modifications work harmoniously with one another and offer a balanced blend of enhanced engine efficiency, improved acceleration and increased power to go along with a tasteful high performance look and unmistakable Dinan sound. Whether you start with the base Foundation package that includes the core hardware building blocks (intake and exhaust), or opt for packages that further enhance your vehicles power output and abilities you will be well on your way to an elevated experience.
Features:
- Maximum gains of +6 HP and +5 lb-ft of torque (Exhaust)
- Smoother, louder and sportier sound (Exhaust + X-Pipe)
- Computer controlled exhaust valves are retained and limit noise during low-speed driving and open fully during high-load conditions (Exhaust)
- Deletes resonators between the secondary catalysts and rear muffler for increased volume (X-Pipe)
- 11-pounds lighter than the stock (Stock: 66-pounds vs. Dinan: 55-pounds) (Exhaust + X-Pipe)
- Reduced intake restriction for Increased turbo efficiency with greater power potential on modified builds (Intake)
- More robust and aggressive induction soundtrack (Intake)
- Improved throttle response (Intake)
- 7 points towards the illustrious Dinan deck lid badge
Specs:
| Brand | Dinan |
|---|---|
| Emission Code | 7 |
| Intake Finish | Gloss Carbon Fiber |
| Labor Time (Hours) | 5.7 |
| Product Type | Foundation Package |
| Tip Finish | Black Ceramic Coated |
| Warning | California Proposition 65 |
| Warranty | Dinan Factory Matching (4yr/50k) Warranty |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2025 | BMW | M3 | Base |
| 2021-2025 | BMW | M3 | Competition |
| 2022-2025 | BMW | M3 | Competition xDrive |
| 2021-2025 | BMW | M4 | Competition xDrive |
| 2021-2025 | BMW | M4 | Competition |
| 2021-2025 | BMW | M4 | Base |
| 2022-2025 | BMW | M4 | Competition xDrive |
| 2022-2024 | BMW | M4 | Competition |
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 1651 reviews
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Product Reviews
★★★★★ 5
Love it
Color: Dark Green, Size: Small
I got the dark green. Love the sweater and it's warm. I do layer the sweater as well. It is as pictured. Size is perfect to me. I like sweaters to be longer and a bit wider in case it is freezing and I need to layer it. This sweater is perfect for layering. It comes closer to my backside, it is a little wide and not snug, and I like that the sleeves come over my wrists
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Reviewed in the United States on February 7, 2026
★★★★★ 1
Still soft but looks terrible after 1 wash. Save your money
Color: White, Size: Small, Color: White, Size: Small
Update: sweater looked great when I received. After 1 wash it looks terrible. Looks like it’s been washed too many times, material fuzzy and piled. After wearing it once, it snagged and the knit pulled through. I would NOT recommend. I had such high hopes. Save your money.
Very nice sweater, especially for the price! I love the details of the buttons on the sleeves. It is SO soft. It’s not super thick as I can see my skin through it when pressing my hand up against fabric. However, it’s not see through when wearing it. It’ll be perfect in cooler weather and perfect in the winter with a coat but won’t cause me to overheat when in a heated environment. I do feel like it runs big. I could have sized down a size. Although I’m not sure if it’ll shrink after a wash or two.
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Reviewed in the United States on September 22, 2025
★★★★★ 3
Disappointed.
Color: Blue, Size: Large, Color: Blue, Size: Large
This sweater is so comfortable and very soft. It fits well in a flattering, oversized way. But after one wash it is pilled everywhere which makes it look old and shabby. It’s at a price point where I feel compelled to return it.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Perfect for casual wear and dressy style
Color: Dark Green, Size: Small
This sweater is soooo soft and the color is so rich. The fit of it is perfect, not too tight and not too baggy, just right and I used the size guide to pick my size. Just for reference, I am 5'3" and 130lbs, 38C bust. It's well made and washes great. I chose to hang dry mine as I typically don't put any of my sweaters in the dryer to dry, just to fluff them. I have this one in two colors, the green and the tan/beige and I would say they are both a true representative of the color shown.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Love the long sleeves!!!
Color: White, Size: Small
Love it! I'm 5' 11" tall and I purchased this according to reviews. Several people commented on the length of the sleeves. I have a hard time finding sleeves long enough if it's not " tall" sized. It was perfect for me. If this washes nice I'm going to consider purchasing more in other colors. I ordered the white and just love the long ribbed cuffs with the line of buttons. Very soft.
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Reviewed in the United States on May 1, 2026
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