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Removing the Auxiliary Belt Tensioner

Model: BMW Serie 5 E39 - Years 1995-2003
Part: Air conditioning

The auxiliary belt tensioner is located just behind the crankshaft pulley: to remove it, first loosen the tensioner to release the belt and the various pulleys (it's easier with the engine suspended from a hoist); once the auxiliary belt is removed, the tensioner is secured to the block with a pin: simply unscrew it to extract the tensioner from its seat; during the installation of the tensioner, align it with the centering notch on the tensioner itself in the designated groove.

Updated on 15 February 2026 by ScegliAuto

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