The CTA BMW/Ford 22mm x 16 Pt. Socket, No. 3870, is designed to remove the later style central valve on BMW Vanos hubs and Ford VCTs. It services BMW/MINI B36 (1.5L), B38 (1.2L and 1.5L), B48 (2.0L), B58 (3.0L) Vanos and Ford (1.0L) EcoBoost VCT modules. The 3870 is 22mm by 16 points, with a 1/2" square drive. It has a chrome molybdenum with black phosphate finish.