Dinan D760-0046-A Semi-Open Cold Air Intake System BMW M240i 340i 440i

The Dinan D760-0046-A Semi-Open Intake System delivers measurable performance gains and enhanced engine sound for 2016-2021 BMW M240i, 340i, and 440i models. This expertly engineered intake system increases airflow while maintaining optimal air temperature control through its semi-open design.

Performance Benefits:

• Proven power gains of +15 HP at 6000 RPM and +13 lb-ft of torque at 6000 RPM
• Measured wheel horsepower increase of +13 WHP and +11 WTQ
• Improved throttle response across the RPM range
• Enhanced sporty intake sound without excessive noise

Engineering Features:

• Optimized carbon fiber intake tube for reduced weight and heat transfer
• 30% larger air box volume compared to stock for increased breathability
• 34% increase in filter surface area (102.1 in² vs. stock 76.3 in²) for maximum airflow
• Free-flowing injection molded Air Mass Meter housing, 8% larger than stock
• High-flow performance air filter for superior filtration and flow

Installation & Compliance:

• Quick and easy bolt-on installation with no modifications required
• 50-State Emissions Legal for 2019-2021 F2x/F3x M240i/340i/440i (CARB EO D-176-56)
• Complete kit includes all necessary hardware and components

This intake system works perfectly as a standalone upgrade or pairs ideally with other Dinan performance modifications. The semi-open design provides the performance benefits of a cold air intake while protecting against heat soak under extreme conditions.