WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The Dinan Carbon Fiber Rear Diffuser Surround (D980-0049) offers a smart, economical, and aesthetically impactful solution for the rear fascia of the BMW G80 M3 and G82 M4. Rather than replacing the entire diffuser, Dinan opts to replace only the upper surround with a carbon fiber accent piece, retaining the factory gloss black lower portion.
This design decision guarantees that the carbon cosmetics will always integrate seamlessly with any personalization of the exhaust—a huge advantage over full replacement diffusers. When paired with the Dinan Rear Side Splitters, this combination creates a visually "full" rear diffuser look that is restrained, elevated, and delivers a nuanced OEM+ aesthetic. Manufactured from superior 2x2 gloss twill dry carbon fiber (pre-preg), it is built to be impact resistant, UV protected, and durable.
Aesthetic & Feature Highlights:
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Economical OEM+ Solution: Replaces only the upper diffuser accent, providing a high-impact carbon look at a more economical price point.
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Guaranteed Exhaust Compatibility: Retaining the factory lower section guarantees the surround will play well with any aftermarket exhaust tips.
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Complete the Look: Pair with the Dinan Rear Side Splitters to create a visually "full" and elevated rear diffuser aesthetic.
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Premium Construction: Manufactured from superior 2x2 gloss twill dry carbon fiber (pre-preg) for maximum durability and strength.
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Easy Installation: Utilizes factory mounting tabs for an easy installation with a clean, precise fit and finish.
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(1) Dinan Carbon Fiber Rear Diffuser Surround
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