AutoTecknic Dry Carbon Performante Rear Diffuser - BMW G20 M-Sport Pre-LCI

The AutoTecknic Dry Carbon Performante Rear Diffuser is purpose-built for the G20 M-Sport Pre-LCI, bringing a more aggressive, track-inspired presence to the lower rear without sacrificing the clean, factory-integrated look the platform is known for.

The enlarged fin design doesn't just look the part — it adds functional depth to the rear bumper profile, giving the M340i the visual aggression typically reserved for full M cars. Installation is straightforward, integrating directly into the factory lower rear bumper with no cutting, no modification, and no compromise on fitment.

Built using AutoTecknic's signature 100% true pre-preg dry carbon process, every diffuser is laid up with impregnated carbon material, placed into a precision mold, and autoclave-cured under controlled heat and pressure. The result is a part that's lighter, structurally stronger, and dimensionally more consistent than anything produced using the traditional wet-lay method. Fewer voids, fewer imperfections, and a flawless gloss finish that speaks for itself.

Key Features:

• Designed exclusively for the BMW G20 M-Sport Pre-LCI
  
• Enlarged Performante fin design for enhanced aggression and functionality
  
• 100% true pre-preg dry carbon fiber construction
  
• Autoclave vacuum curing process
  
• Lighter and stronger than traditional wet carbon
  
• Direct factory bumper integration — no modifications required
  
• Flawless high-gloss finish

What's Included:

• 1x AutoTecknic Dry Carbon Performante Rear Diffuser

Fitment:

• G20 M-Sport Pre-LCI
• G20 M340i Pre-LCI: The exhaust tips needs to be replaced.

Note:

Professional installation recommended. Ensure all mounting surfaces are clean and properly prepared prior to installation.