Blow Off Valves & Diverter Valves for BMW 3 Series E92 (2007-2013)

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Adding a blow off valve or upgrading your diverter valves can change the sound of your vehicle and be an asset in big power setups.
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Go Fast Bits DV+ Performance Diverter Valve - N55
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Go Fast Bits - Corporate Logo
T#:381646
Part#: T9356
In Stock
$ 153.99 USD
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$ 153.99 USD
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This diverter valve differs from the stock part in that it opens based on the amount of boost pressure in addition to following ECU instructions. This improves throttle response as well as being an important supporting modification for turbo upgrades.
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Vargas Cold Side Charge Pipe - N54 - Tial/Turbosmart Raceport BOV Fla...
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Vargas Turbo Technologies - Corporate Logo
T#:641135
Part#: VTT-CHARGEPIPE-1
In Stock
$ 103.99 USD
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$ 103.99 USD
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When upgrading and N54 we suggesting running a true BOV like a Turbosmart Raceport. This cold side charge pipe allows you to do that while getting rid of the plastic charge pipe that is prone to cracking and plastic diverter valves. Charge pipe is made from high-quality aluminum, tig welded, has two 1/8' NPT meth bungs, and a flange to fit Turbosmart Raceport or Tial BOV. Kit includes: Charge pipe 45-degree silicone adapter hose 2 1/8' NPT plugs Two T-bolt clamps
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Active Autowerke N54 Blow Off Valve Kit - E82 135i, 1M, E9X 335i ...
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Active Autowerke - Corporate Logo
T#:4416
Part#: AABOVKIT-N54
In Stock
$ 565.99

This product was last offered at the strikethrough price on
09-01-2026

$ 529.99 USD
Limited Qty Sale
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$ 565.99

This product was last offered at the strikethrough price on
09-01-2026

$ 529.99 USD
Limited Qty Sale
Free Shipping
As Used on Project E92 335i
When adding boost to the N54 engine, it's important to consider effects throughout the rest of the system. Additional boost can overwhelm the stock BMW diverter valve system and lead to boost leakage, or boost spikes, and lost horsepower. With the factory components in place it's hard to maintain consistently high boost levels. Instead of the weak plastic components of the stock system, Active Autowerke uses a CNC-machined and mandrel-bent aluminum tube with a Venturi blow-off valve in place of the original diverter valves. The blow-off valve dumps overboost into the atmosphere for that distinctive turbo 'whoosh' sound. The single AA BOV is over-sized for the N54 application - taking the place of the two small diverter valves, and verified to handle over 600hp. With the BOV acting properly your turbos and other components are protected from compressor surge caused by excess pressure build-up.

We like the Active BOV better than other forms of diverter and BOV kits because it's tried and true - AA was the original turbo BMW tuners and their experience is second to none. That's why they took the time to engineer their kit to fit perfectly, using the OE-type connector to the throttle body, and high-strength silicone to the lower intercooler tube. Each connection is a tight, leak-free seal. The kit comes complete with the discharge tube, vacuum plugs for the stock hoses, and instructions. The tube is powdercoated in black and with a wrinkle finish for an OE appearance.

This item fits the following BMWs with N54 engine:
2008-2010 E82 BMW 135i 1M
2007-2010 E90 BMW 335i 335xi 335i xDrive
2007-2010 E92 BMW 335i 335is 335xi 335i xDrive
2007-2010 E93 BMW 335i
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N55 TurboSmart KOMPACT EM DV - Dual Port
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Vargas Turbo Technologies - Corporate Logo
T#:7734722
Part#: N55TURBOSMARTDV
Ships in 10 Business Days
$ 338.99 USD
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$ 338.99 USD
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Upgrade your BMW N55's turbocharger performance with the award-winning Kompact EM series Diverter Valves from VTT. These plug-and-play valves are the world’s first, offering seamless installation without adapters or extra assembly. By retaining OE control, they ensure optimal operation while minimizing leakage and enhancing turbocharger response. Ideal for owners of hybrid or larger flowing turbos, these valves boast superior thermal performance, providing a must-have solution for maximizing boost without stressing the turbocharger.
  • Seamless plug-and-play installation
  • Minimizes leakage for enhanced turbocharger performance
  • Retains OE control for optimal operation
  • Superior thermal performance to maximize boost without stressing the turbocharger
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Vargas Turbo Technologies Black TiAL BOV Spring - VTT-TIAL-BLACK - E9...
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Vargas Turbo Technologies - Corporate Logo
T#:51813316
Part#: VTT-TIAL-BLACK
Ships in 10 Business Days
$ 52.99 USD
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$ 52.99 USD
Free Shipping
Maintain the peak performance of your forced induction system with the VTT Black TiAL BOV Spring.