3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
I replaced my speedometer with a known working replacement (I'm not sure if you exchange the speedometer from one car to another it will work since you could make a high mileage car a low mileage one that way) and still no speed or distance (odometer) indication. Has any one had experience replacing their sending unit for the speedometer? If there were a way to test the unit to tell if it is the problem, this would help to keep me from heading down the wrong path. Thanks
if u replaced the gauge or cluster and it still doesnt work, it may be something wrong with the speedometer plug on the rear differential. check the connection and see if there is any water build up trapped inside. other than that, any speedometer/odometer gauge should work in your car, but to be safe you may wanna stick with the original brand your car came with, such as VDO or Motometer.
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