ATP HKS Blow off Valve Mount Adapter - BMW 335i

Blow off valve mounting adapter. Mounts (1) HKS SSQ BOV in original location on BMW 335i pre-throttle body chargepipe (boost pressure pipe). Custom machined to have OEM fit onto stock chargepipe. Replaces the stock plastic black bypass valve. Atmospheric vent for blow off valve sound and holds boost more reliably than stock valve (stock chargepipe has (2) of these so we recommend replacing both valves, so order 2 units. Also since you are using this flange kit to vent the BOV to atmosphere, remember to order (2) of the plug kits to close up the return ports on the turbo inlet pipes.

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