详情 For inactive intelligent servo module (ISM) cause transmission failure actuation, also for tires which unable to be rotated. Install between the wheel and tire, so the tire can be rotated freely. Manpower push only, not driving or towing ( limited to 5 km/h ). Applicable: BENZ- W164.W197.W204.W212.W221.W251 BMW-F01.F02.F07.F10.F11.F12.F13.F25.F30.F31.F32.F33.F34 MM NUMBER:164589036300. PATENTED