The product is a used BMW shifter knob in silver color, specifically designed for models like the Z4, X3, X5, E90, E92, E60, E61, and E62. It has a manufacturer part number of 25117537310 and is a genuine BMW product made in Germany. This shifter knob does not require any drilling or modifications for installation, making it a convenient replacement part for those in need of upgrading their vehicle's shifter.