AMG A45 mechanical BOV
Mercedes Blow Off Valve
Mercedes Full Mechanical BOV conversion

TurboSmart Mechanical BOV Conversion (M133)

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Full Mechanical BOV conversion for W176 A45 (and variants)
Please note that this is NOT comparable to BOV adaptors/Spacers.

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Model: Pre Facelift

Pre Facelift

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ECU Reflash required? NO

Availability : In Stock Pre order Out of stock

Full Mechanical BOV conversion

Please note that this is NOT comparable to the BOV adaptors/Spacers that use the factory electronic valve.

This unit completely replaces the leak-prone factory ECU controlled valves (or blank plate on older models) with a purely mechanical valve that is only controlled by boost & manifold pressure. An essential upgrade for up to stage 2 tunes, where the factory valves can no longer support higher boost levels.


NOTE: The Kompact valve is limited in spring pressure and flow volume. For cars higher than "stage 2" (with upgraded turbos) we suggest our RPA conversion.


    Mechanical controlled Turbosmart Kompact Valve
    Mechanically controlled ONLY from manifold pressure / vacuum.
    Valve simulation terminals, so your ECU still thinks it is doing its job. NO CEL!
    Tees into factory manifold fitting with supplied tee.



    Warranty is covered by Turbosmart



    What's Included?

    Included in the box:Mechanical controlled Turbosmart Kompact Blow Off Valve
    Vacuum line and adaptor to manifold pressure line
    Valve simulation terminals for FL models

    Installation Information

    Whilst this product is relatively easy for the average, skilled home mechanic to install, we still suggest it be installed by a professional mechanic.
    This product requires no special tools to install.
    This product does not cause a CEL (check engine light)