DINAN B58 Carbon Fibre Turbo Inlet Pipe - BMW M240i/340i/440i (16-21) & BMW 540i/740i/840i/X5 40i (17-24)

The DINAN B58 Carbon Fibre Turbo Inlet Pipe enhances both performance and sound for your turbocharged BMW. By replacing the restrictive factory plastic inlet with a precision-engineered carbon fibre version, you gain smoother airflow, improved turbo efficiency, and a sharper, more aggressive induction note.

Performance Benefits:

• Up to 24% more airflow compared to stock.

• 10.8% larger internal diameter for maximum air volume.

• Eliminates the OEM resonator for a more pronounced turbo sound.

• Optimized flow path reduces turbulence and increases turbo response.

• Carbon fibre construction for superior durability, heat resistance, and aesthetics.

• Direct OEM replacement – no tuning required, easy bolt-on install.

• Backed by DINAN’s 4-Year / 50,000-Mile Factory Matching Warranty.

Technical Highlights

• Constructed from high-strength carbon fibre with CNC-machined fittings.

• Improves turbo efficiency and reliability through unrestricted, uniform airflow.

• Enhances induction acoustics by removing factory resonators.

• Quick installation using factory mounting points.

Fits These Cars

• BMW F22 M240i B58 3.0L
• BMW F22 M240i xDrive B58 3.0L
• BMW F23 M240i B58 3.0L
• BMW F23 M240i xDrive B58 3.0L
• BMW F30 340i B58 3.0L
• BMW F30 340i xDrive B58 3.0L
• BMW F32 440i B58 3.0L
• BMW F32 440i xDrive B58 3.0L
• BMW F33 440i B58 3.0L
• BMW F33 440i xDrive B58 3.0L
• BMW F34 340i xDrive B58 3.0L
• BMW F36 440i B58 3.0L
• BMW F36 440i xDrive B58 3.0L