Well to be honest im not quite sure. I know that my car was manufactured in 11/91. And most 400E and 500E owners I talk to have this problem. Im sure that there is some people out there that will know more specifics. Im guessing 92-95 for the 119 motors.

-Andy

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93 300D 2.5 Turbo, Black/Palomino 273K
09 E350 Black/Black 41K