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 & MODULARITY
The modular plenum design allows multiple upgrade paths:
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OEM Side Inlets: Fit the plenum with OEM-style side inlets for compatibility with existing intake systems.
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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
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10 Carbon Velocity Stacks with aluminum base plates, 10% larger than OEM, oriented for optimized airflow. Stock orientation available on request.
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CNC Machined Throttle Body Adapters bolt through the carbon plenum into the velocity stacks, ensuring a strong, precise seal.
PERFORMANCE & SOUND
Pre-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.
