Parts: Filter Screw (BM11.36.1.401.973) @ £4.34 + V.A.T. Vanos Filter Washer (BM07.11.9.963.073) @ £0.12 + V.A.T. Tools: Torque wrench set to 12Nm. 6mm hex drive. (1) Remove the old screw, be ready to mop up a bit of oil. (2) Prepare the new filter and washer. (3) Do it up with a torque wrench. Simple!