e36 Tachometer out of sync :S

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  1. e36 Tachometer out of sync :S 
    #1
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    Dez-Derek's Car Details
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    Hey All.

    This is my 1st time posting a new thread, so go easy on me lol. I have a 1998 e36 316i SE Sedan/saloon. As the title states, my tachometer is about 400-500rpm out of sync. When I switch the odometer to show the revs in digital (below the speedometer), it shows that the car idles and revs normally (i.e. the digital part shows 700-900 on idle, but the analogue needle shows 1300-1400rpm). Same thing when i'm revving the car, the analogue tachometer will always be 400-500rpm higher than the actual rev of the car. Also, when I switch the car off, the needle will drop to about 400rpm and not 0rpm (I'll add a pic at the end of this post), only when I remove the key from the ignition or turn the headlamps off, then it will go to 0rpm. It was like this when I bought the car, but it hasn't bugged me until recently. I'd like to fix all the small problems that my BMW has, now that I'm on holiday from uni. Oh, and when i leave the headlamps on and remove the key from ignition, the odometer reading goes a lot brighter than normal.

    I'm going to replace my handbrake light soon as that's blown, so I'll be removing the instrument cluster at the same time I might as well add those chrome rings, too. All other bulbs and needles work. Instrument cluster hasn't been taken from another car as MOT certificate backs up the mileage on the car. Does anyone know what causes it and how it fix it? Will unplugging and plugging back the cluster solve this? (I have to do this anyways when replacing my handbrake bulb)

    Thanks in advance!

    See, it states its 400rpm, but the car is actually off. (key's in the ignition)
    8740.jpg

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    #2
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    Dez-Derek's Car Details
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    Anyone?

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    mine does the opposite shows a few hundred lower! this is because i took the dials etc apart and replaced the needle slightly wrong!
    its fairly easy to strip them and change it if it bothers you that much

    SUPERCHARGED 318IS
     
     

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    Kevin Whittaker's Car Details
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    What engine have you got and what engine are the clocks from - 4 cylinder and 6 cylinder clocks are not compatible IIRC....
     
     

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    @M44Lee, ahh I see, I might have to do that when I replace the handbrake light.

    @Kevin, I got a 4 cylinder engine and the instrument cluster is from a 4 cylinder engine. As I said I don't think it's been replaced. It's original. If it has been replaced by any chance, it's still from a 4 cylinder car and not a 6 cylinder one.

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    #6
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    I think someone has taken the needle off and put it back in the wrong position
     
     

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    #7
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    I agree with kevin and the end the clocks are not compatable and it is possible that the needle has been taken off and not put back correctly maybe some one has tried to put chrome rings or "other"that would require removal of dash.
    There's an alternative. There's always a third way, and it's not a combination of the other two ways. It's a different way

    I see you've made you're decision now lets see you enforce it.

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    #8
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    Yeah someone could've taken the needle out, but I thought it would be like an electrical problem because of the key ignition and switching the headlamps off thing.

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    #9
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    If the clocks are the correct ones then I would remove the clocks and try to remove and relocate the needle...
     
     

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    #10
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    might be the batteries on the instrument binicle need replacing just a shot in the dark my e30 tacho used to dance when i turned the ignition off.
    There's an alternative. There's always a third way, and it's not a combination of the other two ways. It's a different way

    I see you've made you're decision now lets see you enforce it.

    The search facility on here is your friend

    PLEASE READ THE POSTING RULES, FOR SALE RULES, & HOW TO CORRECT THREAD TITLES
     
     

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