This item is described as Cylinder Head Bolt Socket with T-50 head. This tool is comparable BMW factory tool #114420 Includes a 2 year (24 month) warranty.
The T-50 head bolt socket is used only on 3 of the head bolts on BMW N52, N54 and N55 engines. The rest of the head bolts one these engines use a T-60, which we also carry as Part #
BMW11860.
For more information, please contact us at 877-639-9648 and our BMW experts will be happy to assist.