HFE BMW B58 Gen 2 Charge Pipe – M240i, M340i & M440i Performance Upgrade
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Strengthen your B58 Gen 2 engine and eliminate a known weak point with the HFE BMW B58 Gen 2 Charge Pipe. Designed for G-Series models including the M240i, M340i and M440i, this upgraded aluminium pipe replaces the factory plastic unit, providing improved durability, consistent boost delivery and increased reliability under higher boost pressures.
⚠ IMPORTANT – MODIFICATION NOTICE
The factory B58 Gen 2 charge pipe is known to be a failure point under increased boost or repeated heat cycles. Upgrading to an aluminium charge pipe is strongly recommended for tuned vehicles. Professional installation is advised, and all boost connections should be checked after fitting.
Key Features＋
- High-Strength Aluminium Construction: Replaces fragile OEM plastic pipework.
- Improved Boost Reliability: Designed to handle increased boost pressure safely.
- Optimised Airflow Path: Smooth internal design for efficient charge air delivery.
- Precision CNC Machined Connections: Ensures secure and leak-free fitment.
- Performance Silicone Couplers: High-temperature resistant connections.
- Direct OEM Replacement: Bolt-on design with factory mounting points.
Why Upgrade Your B58 Gen 2 Charge Pipe?＋
- The OEM plastic pipe can fail even on lightly modified vehicles.
- Prevents boost leaks and sudden pipe failure under load.
- Supports higher airflow demands on tuned engines.
- Essential upgrade for Stage 1 and Stage 2 builds.
- Improves long-term reliability for daily and track use.
Technical Specifications＋
- Material: Aluminium
- Engine Compatibility: BMW B58 Gen 2
- Construction: Performance charge pipe upgrade
- Fitment: Direct replacement
- Includes: Pipe, couplers, clamps and hardware (depending on kit spec)
Vehicle Compatibility＋
- BMW M240i – G42
- BMW M340i – G20 / G21
- BMW M440i – G22 / G23 / G26
✔ B58 Gen 2 engine only (B58TU)
✔ Always confirm engine variant before ordering
✕ Not compatible with B58 Gen 1 models
Installation＋
- Remove factory charge pipe assembly.
- Install HFE charge pipe using supplied hardware.
- Ensure all connections are secure and aligned.
- Check for boost leaks after installation.
- Professional installation recommended.
Frequently Asked Questions＋
Q: What is B58 Gen 2?
A: B58 Gen 2 (B58TU) is the updated version of the B58 engine found in newer G-Series BMW models.
Q: Do I need this on a stock car?
A: It can be fitted as a preventative upgrade, but it is especially recommended for tuned vehicles.
Q: Will this fit my M140i?
A: No, the M140i uses the B58 Gen 1 engine. This listing is for Gen 2 only.
Q: Do I need a tune after installation?
A: No tune is required for installation, but it is often fitted alongside other performance upgrades.
