Go Fast Bits
Go Fast Bits BMW N13 N20 F22 F30 F31 F33 Diverter Valve DV+ (M2, 220i, 320i, 420i & 520i)
Go Fast Bits BMW N13 N20 F22 F30 F31 F33 Diverter Valve DV+ (M2, 220i, 320i, 420i & 520i)
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Premium turbo recirculation upgrade for BMW F series models
Chase quicker spool, stronger boost holding and ultra-sharp throttle response with this high-quality turbo bypass valve upgrade for BMW petrol turbo engines. Designed to cure common boost leakage issues on tuned cars while keeping factory-like drivability, this is the go-to choice for enthusiasts wanting dependable performance without compromise.
Part number: T9357
Patent pending design
Why this upgrade
- Direct-fit recirculation valve solution that keeps your OE electronics intact for flawless integration
- Precision CNC aluminium body with a machined brass piston - built to thrive on remapped engines
- Pilot actuation for rapid opening and positive closure under high charge pressure
- Eliminates common boost bleed from plastic internals and flimsy diaphragms
- No extra vacuum lines, no resistors, no springs to swap, no frequent rebuilds
Real-world gains you will feel
- Crisper on-off throttle and smoother gear changes
- Reliable boost retention on Stage 1 and Stage 2 calibrations
- Consistent performance lap after lap and mile after mile
- OE-like operation without unwanted turbo flutter or fault codes
How it works
This upgrade keeps the factory electrical actuator so the ECU can react at lightning speed, then replaces the weak internal mechanism with a robust metal assembly. The pilot-operated piston uses boost pressure to assist movement, so it opens quickly when needed and closes firmly to stop leaks when you are on the throttle. The result is faster response and rock-solid sealing even at elevated charge pressures.
Built for reliability
- Anodised billet aluminium housing for strength and heat resistance
- Brass piston engineered to tight tolerances for smooth, repeatable operation
- Designed to handle increased boost from software tuning and bolt-on upgrades
Ideal uses
- Daily-driven performance cars needing a dependable turbo bypass valve
- Track day builds requiring consistent charge control
- Remapped BMW engines seeking a leak-free recirc system
Compatibility - BMW petrol turbo applications
Suitable for a wide range of F series and selected E series models using N13, N20 and specific N55 applications, including:
- 1 Series F20 F21 - 114i 116i 118i
- 2 Series F22 F23 - 220i 228i
- 3 Series F30 F31 F34 F35 - 320i 328i
- 4 Series F32 F33 F36 - 420i 428i
- 5 Series F10 F11 F07 - 520i 528i
- M2 F87 - N55 application as listed by the manufacturer
- Z4 E89 petrol turbo variants
- X1 E84 sDrive20i xDrive20i xDrive28i
- X3 F25 xDrive20i xDrive28i
- X4 F26 xDrive20i xDrive28i
If you are unsure about compatibility with your VIN, drop us a message and we will confirm fitment before you buy.
What our customers say
We run this upgrade on our own cars and on countless customer builds. The feedback is the same every time - noticeably sharper response, no more boost fade and OEM-like refinement.
Installation
- Simple bolt-on replacement using factory mounting
- Download the installation guide: T9357 fitting instructions
- Professional fitting available at MJ Modifications, Warwickshire - email info@mjmodifications.co.uk for a quote
Search-friendly terms
BMW turbo bypass valve, BMW turbo recirculation valve, BMW boost control valve, BMW charge pressure valve, BMW turbo diverter upgrade, N13 valve upgrade, N20 valve upgrade, N55 recirc valve, F20 F21 F22 F23 F30 F31 F32 F33 F36 F10 F11 F07 upgrade, BMW 220i 228i 320i 328i 420i 428i 520i 528i M2 performance part, remap ready diverter, billet aluminium diverter.
Part number: T9357
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