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bmw e90 aircon pulley
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  1. BMW common problems and issues
    Hi guys Heard a grunting noise last night and popped the bonnet - the driving belt was shreded to pieces ( serpentine belt ). On further inspection, the bottom right pulley on the engine is wobbling / knackered. Not sure if it's the aircon pulley or powersteering pulley - I just hope its not...
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