Aluminum Blow Off Valve Adapter Spacer BOV BMW N20 N55 320i 328i 520i 525i – Blue Series

$ 18.85

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With this valve your engine will emit sound characteristic of turbo engines. Easy installation. Application: 320i 328i 520i 525i N20 N55 engines Made of injected aluminum with exclusive blue electrostatic painting for greater durability and a differentiated finish. This Blow Off Valve is mounted between the OEM solenoid valve and the original Turbo, causing the unused charge to be released to atmosphere emitting the sound of turbine relief. It doesn't need any modification or adjustment.