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RW Carbon

RW Carbon BMW F8X M3/M4 RWS Carbon Fiber Diffuser

RW Carbon BMW F8X M3/M4 RWS Carbon Fiber Diffuser

Regular price $1,079.95 USD
Regular price Sale price $1,079.95 USD
Sale Unavailable


Freshly redesigned for your M3 or M4! The RWS carbon fiber rear diffuser v2 features a new 3 fin design for a modded look without being overly aggressive. The RWS F8X diffuser is perfect for the customer who wants the unique aggressive carbon fiber diffuser but doesn't want to worry about scraping or getting caught on parking blocks that can be an issue with the beefier diffuser options we offer. Each RW Signature M3/M4 diffuser is designed in-house at our Anaheim, CA location! The piece is then produced with genuine 2x2 CF in conjunction with industry leading resins and clearcoats which ensures this diffuser looks amazing on day 1 and years down the road. We complete each item with a UV resistant clearcoat - Non yellowing, fading or discoloration! Installation takes the experienced tech about 30 minutes from start to finish. Stand out from all the other M3 and M4's on the road today with a diffuser that's as unique as your vehicle , the RW Signature carbon fiber diffuser.


This RWS carbon fiber diffuser for the F8X M3 and M4 installs in place of your OEM diffuser and will re-use existing mounting locations. Self tapping screws will be needed for the end pieces. Professional installation is recommended. If you need help in the Southern California area we got you covered!


  • 2015-2020 BMW F80 M3 Sedan
  • 2015-2020 BMW F82 M4 Coupe
  • 2015-2020 BMW F83 M4 Convertible


  • Designed in house at RW Carbon
  • Aggressive design, yet great ground clearance
  • 2x2 carbon fiber construction
  • Completed with UV resistant clearcoat
  • Inspected before shipping from our California warehouse
  • Typically in stock at our location
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