SKU: 53863826366

BMW G8X M4 Carbon Fiber Rear Diffuser

Sale price$1122.75 Regular price$1247.50
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

BMW G8X M4 Carbon Fiber Rear DiffuserVorsteiner's carbon fiber parts are produced using a state of the art aerospace autoclave system. This provides unsurpassed rigidity, strength and finish to our aerodynamic components. We distinguish ourselves by utilizing a resin pre impregnated, vacuum formed carbon fiber material that results in a 20% 30% stiffer and stronger product than an equivalent wet lay up product. This technique drastically reduces rejection rates, significantly improving

Vorsteiner's carbon fiber parts are produced using a state-of-the-art aerospace autoclave system. This provides unsurpassed rigidity, strength and finish to our aerodynamic components. We distinguish ourselves by utilizing a resin pre-impregnated, vacuum-formed carbon fiber material that results in a 20% - 30% stiffer and stronger product than an equivalent wet-lay up product.

This technique drastically reduces rejection rates, significantly improving delivery times. Vorsteiner uses a combination of unidirectional, 1x1, and 2x2 weave carbon fiber to keep the weight to a minimum while providing optimum strength and rigidity. The vacuum-formed technology used in our aerodynamic parts draw out excess resin which ultimately draws out excess weight without decreasing structural rigidity. This process provides a much tighter control over the fit and finish giving you the piece of mind that the part will perfectly match the factory shut lines and contours.

Compatible with the M4 only.

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: 53863826366

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4.5 ★★★★★
Based on 7 reviews
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San Leandro, US
★★★★★ 5
Perfect flattering tank
Color: Hot Pink, Size: Large
These are the best tank tops! No gaping arm holes. The tank gives some coverage on the sides and under the arms so it conceals any problem spots. The back neckline is higher than most tanks so the straps are a perfect flattering length for me. I'm under 5'3 with a short torso so it's rare to find a tank that doesn't require shortening the straps. The V-neck is wide and hits at the perfect spot, not too high to be awkward looking but not so low that I'm flashing people at dinner. The fabric is light- medium weight. Not so sheer that it looks cheap but not thick enough for the white to be opaque. These are well made and hold their shape after washing and drying and come in a ton of colors. I have several and will buy more.
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Reviewed in the United States on May 21, 2026
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Verified Purchase
Rob AC
Pawtucket, US
★★★★★ 5
Tanks soft and comfortable
Color: Black, Size: Large
These tanks are great quality - thick and soft material and the fit is as according to the size chart. Love them!
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Reviewed in the United States on May 26, 2026
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Verified Purchase
Peg C.
Waukegan, US
★★★★★ 4
Cut tight, good quality and price.
Color: Sky Blue, Size: Medium
Well made, the material is soft, and comfortable. It’s tight without being clingy. It didn’t shrink when I dried it on medium. The color is as shown and its not see through but is cut tight. So if you have a little extra weight in your stomach area it will not be flattering. Great price and good quality. I’m 5’6, 138lbs, and wear a 36C. I bought a size medium.
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Reviewed in the United States on May 23, 2026
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Verified Purchase
Aolucas127
New York, US
★★★★★ 5
Comfortable women’s top, excellent for nursing!
Color: Black, Size: Large
I needed a new breastfeeding friendly tank top as I am postpartum and gained some weight. This is so comfortable and easily accessible for feeds. I wear it around the house and to sleep in. At a fraction of the cost of the more expensive brands nursing tops, this is a great practical, comfortable buy. The material is thick but breathable and not restrictive and non see through. Sizing is spot on. I am 5’4 and 160 lbs and I bought a Large. Overall this is a durable piece that is a staple in my postpartum wardrobe.
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Reviewed in the United States on April 11, 2026
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Verified Purchase
Michelle Schrecke
Birmingham, US
★★★★★ 5
Great top for summer!
Color: Navy Blue, Size: Large
I bought one of these. The v-neck and fit of the tank top is amazing! Flattering! I loved it so much I ordered two more. Great summer tank! Washes and dries fabulously as well. I am 5’4” 150lbs, wear a medium or size 8-10. I purchased a large and love the look. It fits well, not too tight but hugs the body. Not oversized.
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Reviewed in the United States on May 23, 2026

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