2000 E46 318i - Satan's speedo! - Page 2

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    #11
    Dr of BMW gildersol's Avatar
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    Not sure about the E46, but on the E36, the diff sensor (as Boostist mentions) wiring can rub on the diff as it looms towards the front of the car.The wires can bare and short and give problems with the speedo.

    Like I say I don't know if it's the same on an E46
     
     

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    BM-Boy-2000 (15-01-2009)

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    #12
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    Quote Originally Posted by Boostist View Post
    I thought there was a speed sensor on one front wheel and one rear at the opposite side..??

    No, you cant rule the DIFFERENTIAL sensor out at all. it works in tandem with the speed sensors as far as I am aware.

    There is no transmissions sensor on the manual gearbox



    edit// It seems no one on Bimmerfest knows either
    No sensor on the diff on a e46

    Also there are wheel speed sensors on ALL four wheels, they serve the ABS/Traction control. The sensors you are thinking of are the brake pads sensors, One O/S/R and the other N/S/F.

    The wheel speed sensor on the N/S/R as well as doing the ABS/Traction control also does the vehicle speed for the cluster.

    And regarding the rev counter BM-Boy-2000, that is done by the Crankshaft position sensor
     
     

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    #13
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    I noticed on the motorway when it was dark my headlights appeared dim, however i had a garage do a free battery test and they said it was fine. This problem of mine is getting more and more bizaare. The car is booked in for a diagnostics check and they said they will check the wheel sensors, i just hope its all not too pricey :( Thanks for your help all. I will update this post with the outcome.
    BM-Boy-2000
    Model, E46 318-saloon, petrol, manual, year:2000
     
     

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    Have you had the alternator charge rate checked to be on the safe side?
     
     

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    Thats sounds a logical progression, it could also be the sign of a short circuit somewhere.

    Tom
     
     

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    #16
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    Thanks to all who responded, the problem was rectifyed simply by removing the instrument cluster and replacing the same one back in, for some reason it worked! although im hoping the problem does not return, also the speed sensors etc all are functioning correctly, the battery/charge/alternator was also all fine in the end so that was not the problem either. Cheers all.
    BM-Boy-2000
    Model, E46 318-saloon, petrol, manual, year:2000
     
     

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