This CAN Filter 18 in 1 for Benz and for BMW universal filter should be added to the car after odometer adjustment for most chassis models. But for W222/W205/W447 models, CAN filters should be added before odometer adjustment. This filter is universal for multiple car models, small and convenient, easy operate, with stable performance and reliability.<br><br>For Benz Model: 18 types chassis model for benz: S(222), S(221), C(205), C(204), V(W447), E(W212), E(W207), A(W176), G(W463), ML(W166), SL(R231), GL(X166), B(W246), CLS(W218), SLK(R172), SLS(W197), CLA(W117), GLK(X204) style: 222/205/217 Old style: 166/212/463 CHECK the car model correctly before mileage adjustment. Old style W166 short circuit to GND style W222 short circuit to GND For BMW Model: For BMW: CAS4/FEM Fxx For BMW 1 series F2X, 3 series F3X, X5 etc., FEM mileage adjustment( no need to remove FEM, connect directly to instrument panel); For BMW 5 series F10, 7 series F01/02 etc., CAS4 Fxx chassis.( F01, F02, F07, F18, F10, F20, F25, X3 etc., applicable for 9S12 XEP series 5M48H/1N35H). NOTICE! Please connect the 2 BMW dots together (short circuit) BEFORE connection to the car! Colour:green & orange Material:ABS The actual product may have slight color difference or difference, which will not affect the use<br><br>Package Contents: 1 x CAN Filter