BMW Applications include: 1 Series, 2 Series, X1, X2, 3 Series, 4 Series, 5 Series and I8 fitted with 1.5L B38 or 2.0L B48 engines. MINI Applications include: all models fitted with the 1.5L B38 or 2.0L B48 engines. 19mm double hex (12 point) special curved spanner. Equivalent to OEM 2 365 291. Attaches directly onto the 19mm hex on the belt tensioner. Wipe clean plastic dipped handle.