TURBOSMART USA Blow-Off Valve Kit, Kompact Dual Port Plumb Back - BMW 135i/335i/535i/Z4 (N54)
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Complete plumb-back dual blow-off valve upgrade kit for the N54 twin-turbo inline-6. Includes two Kompact plumb-back valves plus hoses and fittings for an emissions-compliant, factory-style response.
Fitment (per MotorState/Turbosmart): BMW 135i, 335i, 535i, Z4 (N54 twin-turbo engine).
MotorState / Turbosmart part number: TBSTS-0203-1250
TURBOSMART USA Blow-Off Valve Kit, Kompact Dual Port Plumb Back - BMW 135i/335i/535i/Z4 (N54)
$485.99