BMW B58 Turbo Inlet Elbow – Gtech Motorsports (M140i, M240i, 340i, 440i F-Series)

Replace the restrictive factory inlet with the Gtech Motorsports BMW B58 turbo inlet elbow, improving airflow, throttle response and induction sound on both stock and tuned F‑Series models.

Built from strong aluminium, this upgrade improves airflow, boosts throttle response, and enhances induction sound for a more responsive and enjoyable drive. Perfect for both stock setups and tuned builds.

Key Features & Benefits:

• High-flow design reduces restriction compared to OEM plastic elbow
• Precision CNC-machined aluminium for strength and durability
• Supports higher power levels and ECU tuning upgrades
• Improved throttle response for sharper acceleration
• Enhanced induction tone for a sportier driving experience
• Direct replacement for factory part with reliable fitment

Vehicle Compatibility / Fitment:
Designed for BMW B58 F-Series models:

• BMW 1 Series M140i (F20/F21)
• BMW 2 Series M240i (F22/F23)
• BMW 3 Series 340i (F30)
• BMW 4 Series 440i (F32/F33/F36)

Technical Specifications:

• Material: CNC-machined aluminium
• Finish: Anodized coating for corrosion resistance
• Construction: Lightweight yet strong design
• Weight: Lighter and stronger than OEM plastic elbow

Installation Information:

• Tools required: Standard hand tools
• Install time: Around 30–60 minutes
• Professional installation: Recommended for tuned applications

Performance Gains / Why It’s Needed:

The stock turbo inlet elbow restricts airflow to the turbo, reducing efficiency. This Gtech Motorsports upgrade provides smoother airflow, faster turbo spool, better throttle response, and supports higher horsepower builds when combined with ECU tuning and other performance upgrades.

What’s Included:

• 1x Aluminium turbo inlet elbow
• 1x Circlip
• 1x Seal

Warranty & Guarantee:

Backed by manufacturer warranty with returns accepted on unused items in original packaging.

FAQs:

Q: Will this fit all B58 models?
A: Fits F-Series B58 models including M140i, M240i, 340i, and 440i.

Q: Is this compatible with a tuned car?
A: Yes, it supports both stock and high-power tuned setups.

Q: Do I need tuning for this upgrade?
A: No, it works without tuning, but gains are maximised with ECU remap.

Q: Does it change the sound?
A: Yes, expect a sharper and sportier induction note.