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SQ Style Carbon Fiber Rear Diffuser Set With Brake Light V2 - BMW M4 G82 G83

SQ Style Carbon Fiber Rear Diffuser Set With Brake Light V2 - BMW M4 G82 G83

SKU: T-519B & T-518

$1,629.99
$1,629.99 $1,800.00
Shipping calculated at checkout.
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Key Features

  • Carbon Fiber Construction: Lightweight with premium weave appearance.
  • SQ Style V2 Design: Aggressive updated rear diffuser styling.
  • Integrated Brake Light: Performance-inspired rear lighting detail.
  • Enhanced Rear-End Appearance: Adds depth, width and visual aggression.
  • Precision Fitment: Engineered specifically for BMW M4 G82 / G83.
  • 1 Year Warranty: Ensures durability and finish quality.

Description

  • Aggressive Rear-End Transformation: This is not just a rear diffuser upgrade — it completely reshapes the lower rear profile of the G82 / G83 M4 with a wider, sharper and more motorsport-inspired appearance.
  • SQ Style V2 Design: Features an updated V2 diffuser layout with enhanced fin structure, deeper visual depth and a more aggressive rear-end presence.
  • Integrated Brake Light Detail: Built-in rear brake light adds a distinctive performance-inspired visual element while enhancing the diffuser’s technical appearance.
  • Carbon Fiber Construction: Manufactured with premium carbon fiber for lightweight styling, improved surface depth and a high-end exterior finish.
  • Enhanced Rear Aerodynamic Presence: Diffuser fin geometry adds visual width and complements airflow styling around the lower bumper area.
  • Designed for BMW M4 G82 / G83: Engineered specifically for BMW M4 coupe and convertible models for precise fitment and seamless integration.
  • OEM Fitment Integration: Designed to align with factory rear bumper contours and mounting locations for a clean installation.
  • Gloss UV Protective Finish: Helps resist fading, discoloration and long-term surface wear.
  • Professional installation is recommended for best alignment, wiring and fitment.

 

A bold carbon fiber rear diffuser upgrade designed to give the G82 / G83 M4 a sharper, wider and more performance-focused rear profile.

COMPATIBILITY

Year Make Model Note
2021 - Present BMW M4 Coupe G82
2021 - Present BMW M4 Convertible G83

INCLUDED ITEMS

  • Set of SQ Style Carbon Fiber Rear Diffuser Set With Brake Light V2 - BMW M4 G82 G83 x 1
  • 3M Double Side Tape and Necessary installation hardware x 1

INSTALLATION RECOMMENDATION

FOR BEST RESULTS, WE RECOMMEND PROFESSIONAL INSTALLATION TO HELP ACHIEVE PRECISE ALIGNMENT AND A CLEAN, SECURE FIT.

Guaranteed Fitment

Guaranteed Fitment

Precision-engineered specifically for BMW models. Fitment guarantee applies with professional installation

Responsive Customer Support

Responsive Customer Support

Our support team is available Monday–Friday, 9:00 AM–5:00 PM (PST). Contact us anytime at support@project9motorsport.com

Secure & Trusted Checkout

Secure & Trusted Checkout

Checkout is fully encrypted and PCI-compliant. We accept major credit cards, Apple Pay, Affirm, and more.

Manufacturer Warranty Included

Manufacturer Warranty Included

Every product includes a manufacturer warranty for added confidence and peace of mind.

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