MAD BMW F3x B58 M140 M240 340 440 High Flow Air Intake W/ Heat Shield

MAD B58 Cold Air Intake System – BMW M140i, M240i, 340i, 440i (F-Chassis)

Unlock the true performance of your BMW B58 engine with the MAD Performance Cold Air Intake System, engineered to maximize airflow, increase throttle response, and deliver that aggressive turbo sound every enthusiast craves. Designed for easy installation and built to last, this intake is a direct upgrade for your factory airbox and a must-have mod for serious performance gains.

🔥 Key Performance Benefits

• ✅ Up to +15 HP Gains – Improved airflow leads to increased horsepower and torque

• ✅ Sharper Throttle Response – Experience quicker acceleration and better turbo spool

• ✅ Aggressive Intake Sound – Enjoy a deeper, sportier engine tone under boost

• ✅ Includes Heat Shield – Helps isolate hot engine bay air from the intake system

• ✅ Retains OEM Ducting & Bottom Heat Shielding – Optimized for flow and factory fit

💪 Premium Build Quality

• Mandrel-Bent Aluminum Intake Tube – Powder-coated black for a clean, durable finish

• Washable & Reusable Filter – High-performance synthetic media offers superior filtration

• Fully Reversible Installation – No permanent modifications required

• Simple DIY Install – Fits using basic hand tools; all hardware and instructions included

• Backed by Warranty – Lifetime warranty on defects and fitment + 90-day return policy

• Fast Shipping – Ships in 1–2 business days

✅ Fitment – BMW B58 3.0L Turbocharged Engines

• 2016+ BMW M140i – F20 / F21

• 2016+ BMW M240i – F22 / F23

• 2016+ BMW 340i – F30 / F31

• 2016+ BMW 440i – F32 / F33 / F36

⚠️ Designed specifically for B58-equipped F-Chassis BMW models. Not compatible with G-series or newer B58 variants.