The CTA Manufacturing N51 N52 N54 N55 Crank Seal Tool Kit - 7643 is a comprehensive set of tools designed specifically for removing and installing crank seals on BMW N51, N52, N54, and N55 engines. This kit includes all the necessary tools for a professional and efficient seal replacement, including a crank seal installer, a crank seal remover, and a crankshaft seal installer. These tools are made of high-quality materials and are designed to fit perfectly on the specified engines, ensuring a secure and accurate seal installation. This kit is an essential tool for any mechanic or DIY enthusiast working on these BMW engines.