What is a plumb-back blow-off valve?

A plumb-back blow-off valve, like this Turbosmart Kompact EM, recirculates the vented boost pressure back into the intake system. This helps maintain stable air-fuel ratios and is generally quieter than valves that vent to the atmosphere.

How does this valve protect my turbo?

When you release the throttle, the intake closes, causing boost pressure to build up. This valve opens to release that excess pressure, preventing it from being forced back into the turbocharger and potentially causing damage.

Does this valve come with everything needed for installation?

This valve is designed as a direct fit replacement for the factory unit, integrating with the existing turbocharger and boost control solenoid. Refer to the manufacturer's installation instructions for any specific hardware or tools required.

Turbosmart Kompact EM BOV TS-0223-1248

Name: Turbosmart BMW B58 Gen 3 Plumb Back Kompact EM BOV
Brand: Turbosmart
SKU: turbosmart-turbosmart-bmw-b58-gen-3-plumb-back-kompact-em-bov-t14-915491
Price: 278.99 USD
Availability: InStock

Turbosmart BMW B58 Gen 3 Plumb Back Kompact EM BOV

$278.99

Only 4 left in stock

Turbosmart Kompact EM BOV for BMW B58 Gen 3 engines. Keeps boost pressure from building up when you let off the throttle.

Key Features

Fits BMW B58 Gen 3 engines.
Plumb-back design recirculates air to the intake.
Helps protect the turbocharger from pressure spikes.
Promotes smoother throttle response.
Well-built with durable materials for longevity.
Direct fit installation onto the factory turbo and solenoid.

Secure CheckoutFast Shipping631-982-0042

Product Details

Turbosmart is well-known for making solid performance parts for turbocharged vehicles, and their Kompact EM Blow-Off Valve is a great example. This specific valve is designed for the BMW B58 Gen 3 engine, helping to manage boost pressure effectively. When you lift off the throttle, the engine's intake can suddenly close, creating a pressure wave that can damage your turbocharger. This blow-off valve vents that excess pressure, protecting your turbo and ensuring smoother operation.

The Kompact EM model is a plumb-back design, meaning it recirculates the vented air back into the intake system. This helps keep the engine's air-fuel mixture stable and reduces noise compared to vent-to-atmosphere valves. It's a well-built unit, constructed from durable materials to handle the pressures and temperatures found in a performance engine bay. Installation is straightforward as it's designed to fit directly onto the factory turbocharger and boost control solenoid, making it a popular choice for BMW owners looking for improved turbo longevity and response.