Active Autowerke 135i, 335i & 535i Blow Off Valve Kit [BOV]

The Active Autowerke Blow Off Valve provides greater capacity for high boost 135, 335, and 535i's with the N54 twin turbo motor. Active Autowerke's single blow off valve sports a huge venturi, designed to handle excess pressure build-up against the turbo compressor impeller blades. That pressure can cause the impeller to stop spinning (a.k.a. Compressor Surge),which can damage the compressor wheel and shaft. With the Active Autowerke Blow Off Valve in place, the stock turbos are protected as the boost is raised – you can take HP to the stratosphere, enjoy the spoils of all that performance, and get that cool “whoosh” sound as your machine spits out excess inlet pressure.

All hardware & fittings on the Active Autowerke BMW Blow Off Valve have that quality factory look you demand, and are built to perform flawlessly under the most aggressive boost conditions.

Active Autowerke BMW Blow Off Valve Key Features

• High-efficiency single displacement BOV – takes place of two smaller plastic valves
• Large opening can handle maximum boost, provide high flow
• Proven and tested to handle 600+ HP
• All aluminum venturi design with factory-style throttle clamp
• CNC machined flange
• Durable black powder-coated wrinkle finish
• Illustrated instruction manual & installation guide for easy “Plug ‘n Play”
• 1 year limited warranty