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  1. 2009 Mini Cooper S - Engine Whine - Oil Pump / Oil Pump Chain?

    Second Generation MINI Cooper S
    Recently bought a 2009 MCS with 145k kilometres (90k miles) from the auctions. It has a noticeable whine from the engine especially when cold - noise reduces when warm. Diagnoses so far include isolating the water pump friction wheel drive to rule out the pump and removing the serpentine belt to...