The tachometer in the BMW does not work - what is the reason and how to fix it?
In my BMW, the tachometer once goes and once not. While driving, longer than 100 km, when it starts it goes. What could be the cause? The problem was in the BMW E34, but it may also occur in other models.
BMW driver question
In my BMW, the tachometer once goes and once not. While driving, longer than 100 km, when it starts it goes. What could be the cause?
The problem was in the BMW E34, but it may also occur in other models.
Response from BM Cars service
On the E34, the control signal to the tachometer is sent from the engine controller. The tachometer itself may also be defective. To find the fault, it is necessary to perform a full computer diagnosis and check the electrical system in the car.
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