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Go Fast Bits GFB DV+ (DV Plus) Turbo Diverter/Bypass/Recirculation Valve Upgrade for BMW 1 Series 135i E82/E88 2007-2013 N54 Twin Turbo - BOV Alternative, Direct-Fit Boost Control, Compressor Surge Fix, 306hp

Go Fast Bits GFB DV+ (DV Plus) Turbo Diverter/Bypass/Recirculation Valve Upgrade for BMW 1 Series 135i E82/E88 2007-2013 N54 Twin Turbo - BOV Alternative, Direct-Fit Boost Control, Compressor Surge Fix, 306hp

£112.96
£112.96
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

GFB DV+ Turbo Bypass Upgrade for BMW 1 Series 135i E82 E88 2007 to 2013

Unlock stronger, more consistent boost on your 1 Series 135i with the GFB DV+ turbo bypass upgrade. This smart recirc solution replaces the weak factory unit on the N54 twin turbo engine, improving boost hold, pedal response and shift recovery while keeping cabin noise civilised. No flutter, no whoosh, just clean, efficient performance that feels OEM-plus every time you drive.

Why enthusiasts choose this recirc upgrade

  • Snappier boost onset and crisper throttle feel
  • Holds pressure more reliably under load, ideal for stock and mapped cars
  • Retains factory electronic control for seamless drivability
  • Recirculating design keeps things refined with near‑OEM sound levels
  • Bolt-on replacement that reuses the original solenoid and fittings
  • No calibration changes required, simply fit and drive

Real-world gains you will notice

  • Stronger boost retention between gear changes
  • Smoother power delivery with less lag
  • More consistent performance on spirited drives
  • Confidence that your turbo system is not bleeding pressure

Engineered for the N54

The stock pressure relief assembly on the 3.0 twin turbo can leak, especially as mileage and boost rise. The GFB DV+ uses a smarter, faster-acting mechanism that seals more effectively and responds quicker to ECU commands, helping preserve turbo efficiency and mid-range punch without adding unwanted noise.

Compatibility

BMW 1 Series 135i E82 coupe and E88 convertible, 2007 to 2013, 306 bhp N54 engine.

Fitting and support

Simple home install with basic tools. Want it fitted professionally for total peace of mind? MJ Modifications offers installation in Warwickshire. Request a fitting quote at info@mjmodifications.co.uk.

Tried and trusted

We run this upgrade on our own builds and our customers love the sharper response and reliable boost control. It is a proper solution for drivers who want performance without the drama of an atmospheric valve.

Search-friendly terms

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