GFB DV+ Turbo Diverter/Recirculation Valve Upgrade - BMW Z4 E89 2.0 TwinPower Turbo (N20) sDrive 18i 20i 28i 2012-2017 - Electronic BOV/Bypass Valve Fix for Boost Leak, Faster Spool, OEM Plug & Play

Turbo recirculation valve upgrade for BMW Z4 E89 2.0 turbo petrol

Unlock smoother boost, crisper response and rock-solid reliability on your E89 Z4 with this premium DV+ upgrade. Perfect for 2.0 TwinPower Turbo petrol models, this smart replacement for the factory bypass unit keeps things quiet and OEM-like while delivering the performance feel enthusiasts want. If you want instant throttle pickup, rapid boost recovery between shifts and a solution to common pressure loss, this is the go-to choice.

Why choose this upgrade

• Sharper pedal response for a more eager, connected drive
• Faster boost recovery on upshifts for stronger in-gear acceleration
• Fixes boost bleed and soft throttle feel from the stock valve
• Engineered to last with high-quality materials and precision machining
• Stealth operation with recirculated air, no whoosh, no fuss
• Retains OEM electronic control for seamless integration
• Ideal for standard cars and tuned setups looking for reliable boost holding

Fitment

Designed for BMW Z4 E89 2.0 turbo petrol sDrive models:

• sDrive 18i
• sDrive 20i
• sDrive 28i

Model years covered: 2012 to 2017.

Real-world results

We have installed this upgrade on customer cars and our own development vehicles. Feedback is consistently positive: stronger mid-range pull, cleaner gear changes and a noticeable improvement in drivability without unwanted noise. It is a simple, effective reliability and performance enhancement that feels factory-refined.

Installation and support

Direct bolt-on with straightforward fitting using the existing electronic actuator. No mapping required and designed to work with the car’s original control strategy.

Want it fitted by professionals? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote and lead time.

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Why buy from MJ Modifications

• Trusted UK supplier with hands-on install experience
• Enthusiast advice to match your goals, stock or remapped
• Fast dispatch and expert aftercare

Ready to transform the way your Z4 responds to the throttle and holds boost? Add to basket now or contact our team for fitting and support.