SKU: 77943698706

BMW M3/M4 OEM Style Replacement Rear Side Diffusers

Sale price$323.53 Regular price$359.48
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

BMW M3/M4 OEM Style Replacement Rear Side DiffusersMHC+ BMW G80 G81 M3 OEM Style Replacement Rear Side Diffusers In Pre Preg Carbon Fibre replace the factory gloss black trim for a more premium look. These diffusers are a 1: 1 copy of the standard items so that you can enjoy OEM styling in the highest quality carbon fibre. Why choose pre preg carbon fibre? Unlike normal carbon fibre, pre preg carbon is reinforced for increased strength and durability. It can also be an astonishing 70% lighter than

MHC+ BMW G80 G81 M3 OEM Style Replacement Rear Side Diffusers In Pre Preg Carbon Fibre replace the factory gloss black trim for a more premium look. These diffusers are a 1:1 copy of the standard items so that you can enjoy OEM styling in the highest quality carbon fibre.

Why choose pre-preg carbon fibre?

Unlike normal carbon fibre, pre-preg carbon is reinforced for increased strength and durability. It can also be an astonishing 70% lighter than other carbon options, ideal for weight-saving. Quality-wise, pre-preg carbon is far more consistent meaning the chance of imperfections is dramatically reduced. The manufacturing process eliminates undesirable air bubbles and results in a perfect, sleek, smooth & high gloss finish, making the ultimate part to complement your vehicle. 

When you buy pre-preg, you are investing in a higher quality, longer-lasting part that will outlast other forms of carbon fibre and potentially save you money in the long term.

View our full in-depth installation guide:

PRODUCT SPECIFICATION

- 100% pure pre-preg carbon fibre construction
- OEM-style weave
- High gloss finish
- OEM-style design
- Fitment guarantee
- Includes all necessary hardware
- 3 Year warranty

COMPATIBILITY

- BMW G80 M3 Saloon (2021+)
- BMW G80 M3 Competition Saloon (2021+)
- BMW G81 M3 Touring (2023+)

WHAT'S IN THE BOX?

- Pair of MHC+ OEM-style replacement rear side diffusers
- Any necessary hardware

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 77943698706

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4.3 ★★★★★
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M
Verified Purchase
María del Pilar
New York, US
★★★★★ 5
Cozy, Stylish, and Perfect for Everyday Wear
Color: Yellow, Size: Small, Color: Yellow, Size: Small
I absolutely love this oversized knit sweater! The material feels soft and comfortable against the skin, and it keeps me warm without feeling heavy. The oversized fit is flattering and easy to style with jeans or leggings, making it perfect for casual outings or relaxing at home. The stitching looks well-made, and after washing, it still holds its shape nicely. Great quality for the price — I’d definitely recommend it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
M
Verified Purchase
Mary Montilla
Chelsea, US
★★★★★ 5
sweet sweater
Color: Pink, Size: Medium
The color is beautiful, just as shown in the photo. It's comfortable and made with a quality, very soft fabric.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
S
Verified Purchase
Skb
Port Orchard, US
★★★★★ 5
Great sweater
Color: Khaki, Size: Medium
Way better than expected! I’m going to get other colors!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
M
Verified Purchase
Marian Armstrong
Lake Worth, US
★★★★★ 5
Very light sweater
Color: Gray, Size: Medium
Love it fits so perfect love the fell
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
M
Verified Purchase
María del Pilar
Boise, US
★★★★★ 5
Cozy, Stylish, and Perfect for Everyday Wear
Color: Yellow, Size: Small, Color: Yellow, Size: Small
I absolutely love this oversized knit sweater! The material feels soft and comfortable against the skin, and it keeps me warm without feeling heavy. The oversized fit is flattering and easy to style with jeans or leggings, making it perfect for casual outings or relaxing at home. The stitching looks well-made, and after washing, it still holds its shape nicely. Great quality for the price — I’d definitely recommend it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026

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