GFB - DV+ Diverter Valve Upgrade - Ford Focus RS MK3 16+ bmw-7-series-g1x---15-22-750i---530-esi9946879 Why replace just the rotor

Why replace just the rotor rings

No additional noticeable NVH in the cabin

Miscellaneous hardware

This 034 Motorsport gasket and hardware set is suitable for the B7 Audi A4 2

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GFB - DV+ Diverter Valve Upgrade - Ford Focus RS MK3 16+ bmw-7-series-g1x---15-22-750i---530-esi9946879 Why replace just the rotorThe DV+ diverter valve Upgrade offers a solution to the shortcomings of the factory Blow Off Valve (BPV) on the 20162018 Ford Focus RS MK3. Standard BPVs struggle to cope with tuned engines operating at high boost levels and exposed to intense heat. These conditions can cause the factory diaphragm to rupture, which could potentially damage the turbocharger, as the ECU attempts to compensate for the loss of boost by increasing the turbochargers speed.