HFE BMW B58TU Gen 2 Intake & Turbo Inlet Kit – G Series M240i, M340i, M440i
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Upgrade the airflow and induction sound of your BMW B58TU Gen 2 with the HFE Intake & Turbo Inlet Kit, designed for modern G-series BMW platforms including the M240i, M340i and M440i. This high-flow intake system improves airflow efficiency to the turbocharger while delivering sharper throttle response, increased turbo noise and a more aggressive driving experience.
This kit is available in two configurations depending on your goals and budget:
- Silicone Turbo Inlet Version: Replaces the restrictive OEM turbo inlet with a larger 4 Inch high-flow silicone inlet for maximum airflow potential.
- OEM Turbo Inlet Coupler Version: Uses a straight silicone coupler to connect directly to the factory plastic turbo inlet for a more cost-effective upgrade path.
Both options provide improved induction sound and airflow over the factory intake system.
Key Features＋
- High-Flow Intake Design: Improves airflow to the turbocharger.
- Enhanced Induction Sound: Increased turbo spool and intake noise.
- 4 Inch Turbo Inlet Upgrade Option: Available with upgraded silicone turbo inlet.
- OEM Inlet Compatible Option: Budget-friendly version retaining OEM plastic inlet.
- Improved Throttle Response: Sharper acceleration feel and turbo response.
Why Upgrade Your B58TU Intake?＋
- The factory intake and inlet system becomes restrictive at higher airflow demands.
- Improved airflow helps support tuned and modified vehicles.
- Enhanced turbo sound creates a more engaging driving experience.
- Upgraded turbo inlet improves airflow efficiency before the compressor.
- Perfect supporting modification for tuned B58TU Gen 2 vehicles.
Technical Specifications＋
- Engine: BMW B58TU Gen 2
- Configuration: Intake and turbo inlet system
- Filter Type: Reusable high-flow filter
- Inlet Options: Silicone turbo inlet or OEM inlet coupler
- Fitment: Direct bolt-on installation
Vehicle Compatibility＋
- BMW M240i – G42
- BMW M340i – G20 / G21
- BMW M440i – G22 / G23
✔ B58TU Gen 2 engines only
✔ Please confirm engine generation before ordering
✔ Contact us if unsure on compatibility
Installation＋
- Remove the OEM intake assembly.
- Install the HFE intake system and chosen inlet configuration.
- Ensure all clamps and connections are secure.
- No ECU tuning required for installation.
- Professional installation recommended.
Frequently Asked Questions＋
Q: What is the difference between the inlet options?
A: The silicone turbo inlet version replaces the OEM inlet completely for improved airflow, while the coupler version retains the factory plastic inlet for a lower-cost option.
Q: Does this increase turbo sound?
A: Yes - both versions significantly increase induction and turbo spool noise over stock.
Q: Is tuning required?
A: No - this intake can be installed on standard or tuned vehicles without ECU calibration.
Q: Will this fit Gen 1 B58 models?
A: No - this intake is designed specifically for B58TU Gen 2 applications.
