1998 S reg BMW 318 - General Module failure

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  1. 1998 S reg BMW 318 - General Module failure 
    #1
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    d_a_n1979's Car Details
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    Hi

    New to the site but not new to car forums (I'm all over the Honda forums etc...)

    I've had a good look round these forums and searched but couldn't really find the answers I'm after so here goes

    My brother has a 318 S reg auto saloon; recently the electrics started playing up stating that he had a bulb out when none were out and now the brake lights stay on (inc 3rd brake light) even when the car is off/key out of ignition etc...

    He's had it to the Vehicle Maintenance Unit (VMU) at Lancashire Constabulary and they have said that its the 'General Module' that's failed.

    I've found a few for sale on eBay but wanted to know is do they need to be plugged into a diagnostics machine to get them to work correctly OR are they simply plug & play? This is the module I'm looking at: eBay - The UK's Online Marketplace

    Any/all advice is appreciated

    Rgds

    Dan
     
     

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    TheEnd's Car Details
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    Is it the E36 (handsome mean machine) or E46 (Chubby older brother)?

    You should be able to just swap them and it'll all work OK, but it does some a bit like it is a problem from the boot lid wiring.
     
     

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    Quote Originally Posted by TheEnd View Post
    Is it the E36 (handsome mean machine) or E46 (Chubby older brother)?

    You should be able to just swap them and it'll all work OK, but it does some a bit like it is a problem from the boot lid wiring.
    E46 I think (slightly more rounded and chubbier) haha

    Forgot to say that the headlights were popping on as well when the brake pedal was hit...
     
     

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    OK, the E46 can be a bit more linked between the different modules, and I don't think they have the boot lid wiring issues.

    I'd try a s/h GM but make sure you pick a saloon and hopefully you'll get away just plugging it in.
     
     

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    Ok thank you...

    What are the boot-lid wiring issues?
     
     

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    On E36s (maybe on some E46s, but certainly not as common) there is a bundle of wires that follow one of the hinges into the boot lid.
    Over time, they rub against each other and start to give all sorts of weird effects.
     
     

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