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Rear Diffuser
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This product was last offered at the strikethrough price on
02-09-2026
Alpha-N's V2 carbon rear diffuser for the G90 M5 or G99 M5 Touring is significantly more aggressive and functional vs the more OE-styled V1 piece. Featuring an integrated "underbody floor" section around the center of the diffuser, the V2 carbon piece both increases downforce and reduces drag vs the V1 variant.
All Alpha-N exterior parts are focused on functional aerodynamic improvements, and the G9X M5 V2 rear diffuser is no exception while also enhancing the rear styling.
Product Details:
2x2 weave; carbon pre-preg construction
Gloss finish
To keep wind drag on the rear end of your E90 335i, HARD Motorsport has developed their lightweight Aluminum Rear Diffuser Kit. It reduces undercar drag, allowing for optimal downforce.
Diffuser is unpainted and does not work with stock exhaust. Straight pipes or custom exhaust work recommended.
Fits the following vehicles:
2006-2013 E90 BMW 335i
This Vorsteiner rear diffuser was designed to provide an aggressive, individual stylistic touch to your BMW without being overbearing. Constructed from high-quality 1x1 twill weave, this part attaches easily and accentuates your BMW's natural body lines, thus creating a high-class performance look. Professional installation is recommended.
Vorsteiner is a company that was conceived through the imagination of creating the highest quality parts for the most discerning vehicles and clientele. The relentless pursuit of advancement and perfection is seen not only in the unmatched automotive parts, but also in the hands of carbon fiber craftsmen to create purely sensational parts for the most deserving and elite vehicles.
Available in 2 different versions, Alpha-N's V1 carbon rear diffuser for the G90 M5 or G99 M5 Touring expands slightly on the original rear diffuser helping to accentuate the existing bodylines and enhances the rear styling with carbon construction.
While Alpha-N ensures all their aerodynamic parts are fully functional, the G9X M5 V1 rear diffuser focuses on function while maintaining the car's elegance.
Product Details:
2x2 weave; carbon pre-preg construction
Gloss finish
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.