BMW B48 BigBoost700 Turbo Upgrade Kit

🔥 BigBoost Full Frame Turbo Kit – BMW B48 Platform

Unlock the hidden potential of BMW’s B48 engine with the only full frame turbo kit on the market designed specifically for this underrated powerhouse — the little brother of the renowned B58. This kit transforms the B48 from a modest performer into a serious contender, offering stock-like spool with a far more aggressive and powerful top-end.

✅ What’s Included:

• BigBoost MPR 52mm Turbocharger

  • Capable of flowing 56 lb/min — optimized for high performance on a compact platform

• Cast Iron Exhaust Manifold

  • High-strength construction with independent runners for optimal flow and heat management

• Aviation Grade Stainless Steel Oil Feed Lines

  • Built to withstand high temps and pressure for long-term durability

• Oil Feed & Drain Fittings

  • Turbo and engine side fittings included for easy and reliable installation

• Oil Drain Adapter

• Turbo to Throttle Body Charge Pipe

  • Ensures a secure and efficient flow path to maximize power delivery

• Turbo Inlet Pipe

  • Designed for optimized airflow and fitment

• Silicone Couplers & Clamps

  • High-temp, high-pressure rated — built to last under boost

• Turbo Coolant Inlet & Outlet Fittings

• Silicone Coolant Hose Kit

• Electronic Wastegate (EWG) Mounting Kit

  • Maintains full OEM electronic wastegate functionality for seamless boost control

⚙️ Key Benefits:

• Only full frame turbo solution for the B48 platform

• Stock-like spool characteristics

• Dramatic increase in top-end power without sacrificing drivability

• Uses OEM electronic wastegate for reliable and simple boost control

• Bolt-on fitment — no cutting or permanent modifications

💡 Whether you’re pushing your B48-powered BMW for more power on the street or prepping for track days, this kit delivers reliable performance gains with OEM-like fit and finish.