2004-2010 BMW 6 Series Convertible Hydraulic Tension Rod Cylinders. Removed from a 2007 BMW M6 Convertible with a fully functioning convertible top system. Includes the pair (2) of convertible Tension Rod cylinders as shown. These cylinders are to extend the upper portion of the top to the bow panel during operation. These can NOT be used for the convertible top lift cylinders or tonneau panel lift cylinders. In good working condition, fully tested prior to removal from the vehicle with no leaks or damage. Free of any heavy corrosion or rusting on the housing. You will need to reuse your existing hardware and lines for installation.part #: 54347154646Fits:2004, 2005 BMW 645CI Convertible2006, 2007, 2008, 2009, 2010 BMW 650i Convertible2007, 2008, 2009, 2010 BMW M6 Convertiblem6003mm