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4 O-rings for the engine cover bolts
Send us your Porsche cam phasers for a professional rebuild using our upgraded Teflon seals and Viton O-rings
The symptoms of a worn DISA valve include rough idle
The DISA valve is a common failure on the M54 and M56(ULEV) BMW engines and is caused by the poor materials used in the manufacturing process
It has features that only the factory ISTA/INPA programs have
S85 Vanos Pump Sprocket s85 4 O-rings for the engineWe've seen that the chain sprockets on these pumps will show excessive wear over time, even if the pump itself is working normally. We recommend replacing the sprocket if it shows any signs of wear. All of our rebuilt S85 oil pumps come with a new chain sprocket, so there is no need to purchase this part separately if you are buying one of our updated vanos oil pumps.