Efficiency and maximizing the potential of the stock intake design were the keys to development for this N55 intake. Our sealed system delivers as much cold outside air as possible to the engine via an optimized carbon fiber tube that mimics the stock pipe but with less resistance with a straighter freer flowing design. The increased amount of air feeds into a larger volume airbox complete with a larger filter that elicits a sporty tone that makes the intake sound as good as it performs. This optimized design yields up to an incredible 10HP and 15 lb-ft of torque even without any additional modifications. Simply perform the short bolt-on installation in under an hour and enjoy a more powerful and audibly satisfying driving experience.. Intake installation on convertibles and M2 requires modification of a brace. Please consult the installation instructions for details.. 50 State Emissions Legal (partial application list): CARB EO D-176-56 (2012-15 F30 335i Only). Larger volume air box that completely seals for maximum insulation from power robbing heat. More Power: + 10 HP, + 15 LB-FT (w/o additional modifications on all other platforms)). More Power: + 8 HP, + 6 LB-FT (w/o additional modifications on the M2). Dinan Cold Air Intake - 2012-2018 BMW 335i/435i/M2/M235i. Enlarged cylindrical air filter for optimum flow. Dinan 12-18 BMW 335i/435i/M2 Cold Air Intake. Carbon Fiber - F22/F23/F30/F32/F33/F36/F87. Optimized carbon fiber intake tube. Quick and easy installation. Improved throttle response. CAI F30 M235 335 435. Cold Air Intake. Sportier Sound. Larger MAF. DIN AIK

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