GFB DV+ by Go Fast Bits Diverter/Bypass/Recirc Valve Upgrade for BMW 320i 2.0T N20 (F30 F35 F80) 2012-2018 – Turbo Blow Off/Dump Valve Alternative, Boost Leak/Flutter

Sharper boost control for BMW 320i F-Series, quiet OEM feel, real performance gains

Transform throttle response and boost consistency on your 2.0 turbo BMW 3 Series with the GFB DV+. This quality upgrade replaces the factory turbo bypass assembly with a precision solution that seals better under load, recirculates cleanly and keeps things civilised. Expect quicker boost recovery between shifts, stronger mid-range pull and smooth drivability with no unwanted whoosh and no warning lights.

• Direct bolt-on replacement for the standard turbo bypass unit, no coding required
• Improves boost retention under load for a more eager, responsive feel
• Fast boost recovery on gear changes for consistently strong acceleration
• Keeps factory electronic control for seamless integration and reliability
• Recirculating design for stealth performance and no fault codes
• Robust construction designed for long-term durability on daily and spirited drives

Built for real-world performance

GFB DV+ is a proven upgrade that fixes common leakage and control issues associated with the stock turbo pressure relief setup. By improving how the turbocharger vents and re-closes, it reduces turbo lag, helps maintain stable boost pressure and eliminates the soft, inconsistent feel you can get with the original part, especially on tuned vehicles.

Fitment

BMW 3 Series 320i 170 HP Saloon, F30, F35, F80, model years 2012 to 2018. Suitable for UK saloon and international sedan models. If you are unsure about compatibility, contact us and we will confirm fitment for your vehicle.

Ideal for stock and remapped cars

• Standard engines looking for reliable boost control without extra noise
• Stage 1 or remapped setups that need a stronger, leak-free recirc valve
• Drivers who want OEM refinement with genuine performance benefits

What you will notice

• Crisper throttle pick-up and reduced turbo lag
• More consistent pull through the rev range
• Stable boost that holds properly under load
• Quiet operation that keeps your car refined

Tried and trusted by our team and customers

We run this upgrade on our own cars and customer builds. Feedback is consistently positive for response, reliability and day-to-day drivability. It is a simple, high-value modification that addresses a known weak point without adding unnecessary noise.

Professional installation

Straightforward, plug-and-play fit for competent DIYers. Prefer it fitted for you? Book professional installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Buy with confidence

Upgrade your BMW 320i with a premium turbo recirculation solution that delivers quick spool, leak-free performance and factory-smooth manners.

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