3D Design 3D Design Carbon Rear Diffuser - G02 X4 M40i 3108-30211

3D Design Carbon Rear Diffuser - G02 X4 M40i

This gorgeous rear diffuser from 3D Design boasts all the major values this brand embodies; exquisite attention to detail, masterful finish work, and supreme fitment. Featuring a carbon-fiber weave pattern laid with care and attention, and a deep rich clear coat finish that will last for years to come, this is a part worth far more than its weight in carbon. 3D Design is focused on high-quality styling components that allow you to personalize the look of your BMW & remain true to the car's original form. Inspired by European tuning trends & Japan's unique VIP tuning style, their wide range of lips, diffusers, side skirts, & spoilers are made from high-quality urethane or super light, super strong prepreg dry carbon and install easily to your factory bumpers & skirts to offer an understated, aggressive performance look. Carbon Fiber Construction Attaches directly in place of stock diffuser
3D Design 3D Design
T#: 4621116 | Part#: 3108-30211
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1499.99
SALE: $1499.99
SALE LIMITED QTY
WAS: $1595.00 on 05-03-2026

This product was last offered at the strikethrough price on
05-03-2026

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3D Design Carbon Rear Diffuser - G02 X4 M40i
$1499.99

This gorgeous rear diffuser from 3D Design boasts all the major values this brand embodies; exquisite attention to detail, masterful finish work, and supreme fitment. Featuring a carbon-fiber weave pattern laid with care and attention, and a deep rich clear coat finish that will last for years to come, this is a part worth far more than its weight in carbon. 

3D Design is focused on high-quality styling components that allow you to personalize the look of your BMW & remain true to the car's original form. Inspired by European tuning trends & Japan's unique VIP tuning style, their wide range of lips, diffusers, side skirts, & spoilers are made from high-quality urethane or super light, super strong prepreg dry carbon and install easily to your factory bumpers & skirts to offer an understated, aggressive performance look.

  • Carbon Fiber Construction
  • Attaches directly in place of stock diffuser

Prop 65 WarningProp 65 Warning

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Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW G02 X4 M40i B58 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.