One of the most common issues with M5X and S5X series engines is the Vanos system. Common symptons of a failing vanos system is a sound similar to marbles rattling around which can be noiced at engine idle.
TCE's Refurbished Single Vanos Units are rebuilt and resealed with factory improved Beisan Systems components. With tighter manufacturing tolerances on the roller bearing locating ring, and seals made from high temperature Teflon and Viton, these components are top notch and an great improvement over the factory delivered Vanos units.
TCE offers a core return system for our vanos rebuilds. Purchase a turn key vanos system, and return us your old unit for a 100 usd discount off your original purchase. We will issue a partial refund to your original purchase.
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