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Fully cleaned and rebuilt housing
all made of glass reinforced nylon
Fits all E36
which can affect the internal oil pressure of the vanos
2006-2010 M5 Sedan (E60/S85)
S54 CPV Kit 400-Core Fully cleaned and rebuilt housingA common problem on the S54 engines, the Constant Pressure Valve O ring fails causing a slow oil leak on the passenger side of the engine that frequently resembles a rear main seal leak. Replacing the CPV with our included upgraded Viton O ring ensures a long term solution to this common problem. Our CPV Kit includes a brand new constant pressure valve and the special tool needed to access the valve behind the exhaust header. Without the tool,