2002 E46 316ti Autofold mirrors Mod?

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  1. 2002 E46 316ti Autofold mirrors Mod? 
    #1
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    Hi
    Ive been wondering for the last week how I could get my mirrors to autofold as I exit the car, and unfold as I enter.
    I have a manual button to fold them. I always fold my mirrors as I park up aswell so this would be ideal.

    Ive thought about it and was wondering if I could hook up the drivers side door lock switch to the mirror fold button, so when I lock the doors, it sends a feed and folds my mirrors?

    I dont know how the car would react to this, I mean it seems you cant even use larger voltage bulbs or what have you in the car without sending it doolaly but I am interested to know if its possible?

    If its possible, I think this could be a very poplar adjustment to make.
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    I believe that you can get a box of Ebay for around £130 that you wire in and it enables the mirrors to fold when you lock the car e.t.c.
     
     

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    Sh0x (03-01-2010)

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    So technically joining wires would not do it? I take it thats not how it works?
    Even if it was the vehicle entry light the mirrors were hooked up to (they come on as you enter and exit the car)
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    I did this mod on a Honda Prelude I had, it was fairly easy on that. I'm not sure how experienced with electronics you are but if you have a good grasp of the basics then this should get you to a point to be able to do some testing.

    It was a case of using a test light (or multimeter) and finding out what happened on the wires coming out of the back of the mirror fold switch when the button was pressed. In the prelude a brief live feed was sent from the fold button to the control module to trigger the mirrors. I then used the test light to see what happened on the multiplug on the central locking motor and found 2 lives when the lock/unlock was triggered. I joined these feeds into the mirror switch wiring using a diode on each of them (the cathode of the diode should go to the mirror wire and the annode to the central locking wire). This worked a treat for me, that Prelude had as many if not more control modules than my E46.

    The only thing to lookout for is if you have the option to lock the doors when you car goes over 5mph or whatever it is, your mirrors will be doing the hokey-cokey if you have. This mod leaves the mirror fold button still operational so you can always re-sync them if need be.

    Hope this makes sense and helps.
     
     

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    Sh0x (03-01-2010)

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    Hi thanks for the info, I dont have the auto door locking on mine.
    I dont think I could hook it up to the main interior light, as that comes on everytime you open a door.

    I have done basic wiring before but not to the extent of testing etc, I just followed a wiring diagram to see what was what.

    I might look further into this at some point, but was wondering if anyone had tried before, or if they could shed some light on if it was even as straightforward as you would initially think?
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    seems like a cool idea, more hassle and money than its worth maybe mind?
    plus i'm sure there are situations when you want to leave the mirrors out?
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    Well to be honest with you, I just pondered if it would be as simple as joining the feeds up (lock wires joined to mirror button wire), but nothing is ever as easy it sounds so wanted some more info on if that would actually work ?

    Agreed there are situations you may want to sit in the car with doors locked and the mirrors out, but those would be rarer occasions than the times you would want the mirrors folded in (considering I always put them in when I leave the car)
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    where is the manual fold button located in your car cos i dont seem to have one in mine unless its hiding somewhere and i aint found it yet

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    You said youve had your car over 2 years? Im shocked you havent stumbled accross it (assuming you have it?)
    Its the little square button next to the mirror angle adjuster
    Oo (|||)(|||) oO
    Ex E46 Compact Owner
     
     

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