Product Description: 1. Fitment: Works on BMW N20 and N26 engines. 2. Function: Locks the transmission flex plate in place for performing a timing service on N20/N26 engines. 3. Benefits: While replacing the timing chain, this tool can hold the flex plate while releasing and torquing down the central bolt on the vibration damper hub. 4. Material: Made from advanced heavy duty soild steel structure, durability and anti-corrosion, providing a long term service. 5. Replacement: Comparable to BMW Factory Tool No. 83302222742. (Note: Automatic transmissions only.) .