BMW S65 E92 M3 Modular Carbon Plenum

BMW S65 Carbon Plenum – Enhanced Induction Sound & High-RPM Performance

Transform your BMW S65 engine with a fully redesigned carbon plenum, engineered to deliver improved airflow characteristics, enhanced induction sound, and high-RPM performance gains. Inspired by our flagship S85 plenum, this is more than just a replacement—it’s a complete upgrade in both design and driving experience.

DESIGN & FEATURES

• 100% Carbon Fibre Construction (1.2mm thickness): Lightweight, durable, and designed to unleash the full emotional sound of the S65 engine.
• Increased Internal Volume: Expanded frontal section and top cover allow improved airflow and breathing at higher RPMs.
• Modular System: Compatible with interchangeable lids and velocity stacks, offering flexibility for future upgrades.
• Larger Carbon Velocity Stacks: Supplied stacks feature larger openings than OEM, improving airflow efficiency and intake dynamics.
• Precision CNC Components: Includes throttle body bosses for a secure and accurate fit.

PERFORMANCE TESTING
Dynojet testing under controlled conditions shows real, repeatable gains, especially at higher RPMs:

• +5–8 hp from 5600–6400 rpm
• +8–10 hp from 6800–8200 rpm
• Improved airflow efficiency while maintaining smooth and consistent power delivery

WHAT’S IN THE BOX
✅ 1 x Carbon Plenum Assembly
✔ Lid
✔ Main Body
✔ 10 x Larger Carbon Velocity Stacks
✔ 10 x CNC Throttle Body Bosses
✔ Nuts & Bolts

Enhance your BMW S65 with a carbon plenum that delivers race-inspired sound, improved high-RPM performance, and modular upgrade flexibility—perfect for enthusiasts who want both aesthetic impact and driving excitement.