The CTA Manufacturing N20 N26 Balance Shaft Lock Tool Kit - 7676 is a specialized tool designed for use with BMW N20 and N26 engines. This kit includes a locking tool that securely holds the engine's balance shaft in place, preventing it from rotating during maintenance or repairs. This helps to ensure accurate timing and proper functioning of the engine. The kit also includes a timing chain tensioner tool to assist with installation and removal of the timing chain. This product is essential for any mechanic or DIY enthusiast working on BMW N20 and N26 engines.