Infinity Design BMW E60 M5 Infinity Carbon Plenum – CSL Inspired Performance Intake Experience the ultimate naturally aspirated S85 engine upgrade with the Infinity Design Carbon Plenum, a showcase product engineered for BMW E60 M5 enthusiasts. Designed using 3D CAD modeling and accurate engine bay scans, this one-piece pre-preg carbon fibre plenum merges the two OEM plenums into a single, larger-volume design that improves airflow, throttle response, and engine aesthetics. DESIGN & MODULARITYThe modular plenum design allows multiple upgrade paths: OEM Side Inlets: Fit the plenum with OEM-style side inlets for compatibility with existing intake systems. CSL Side Inlets & Full CSL Intake Kit: Upgrade to side inlets over 100% larger than stock for maximum airflow, mirroring the original BMW CSL design. The CSL kit can be purchased with the plenum or as a separate upgrade. VELOCITY STACKS & THROTTLE BODY ADAPTERS 10 Carbon Velocity Stacks with aluminum base plates, 10% larger than OEM, oriented for optimized airflow. Stock orientation available on request. CNC Machined Throttle Body Adapters bolt through the carbon plenum into the velocity stacks, ensuring a strong, precise seal. PERFORMANCE & SOUNDPre-production testing demonstrates improved low and mid-range torque, enhanced 60–130 mph acceleration, and measurable dyno gains. The induction note is refined yet aggressive, delivering a thrilling under-bonnet sound while maintaining sophisticated engine bay aesthetics. KEY FEATURES:✅ 100% Pre-Preg Carbon Fibre Plenum – lightweight and durable✅ Modular Design – OEM fitment or CSL upgrade✅ CSL Side Inlets – over 100% larger than OEM for maximum airflow✅ Carbon Velocity Stacks – 10% larger for smoother intake✅ CNC Throttle Body Adapters – precise and secure fit✅ Enhanced Induction Sound – refined, sporty, and aggressive Elevate your BMW E60 M5 naturally aspirated S85 engine with a system that combines performance, aesthetics, and modular upgrade flexibility—the perfect blend of engineering excellence and enthusiast appeal.
