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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 12-08-2010, 05:55 PM   #21
bigjae1976
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You still have to clear the code. Otherwise the light stays on.
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Old 12-13-2010, 06:22 PM   #22
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i was under the impression that this method: http://forum.e46fanatics.com/showthr...101&highlight= acts the same as your contraption where the computer thinks the seat is always occupied

am i correct or is it the opposite?
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Old 12-19-2010, 09:18 PM   #23
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basically the same idea.. i jus did but did a couple things different.. instead of taking off the wires from the module i just splice them and tap them together.. ( you can either do it inside the box or outside)
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Old 12-20-2010, 07:04 AM   #24
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basically the same idea.. i jus did but did a couple things different.. instead of taking off the wires from the module i just splice them and tap them together.. ( you can either do it inside the box or outside)
Is the way that "profor " done it right? because i done it that way and it did not work. ( the resistor and diode ).
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Old 12-20-2010, 09:15 AM   #25
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im sure it is.. when i first try it. it didn't work for me either. that's why i try the other method that i mention and it worked.. I also did it following this pictures which is also the same as profor ..

http://i45.tinypic.com/309ln3c.jpg
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Old 12-20-2010, 10:25 AM   #26
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im sure it is.. when i first try it. it didn't work for me either. that's why i try the other method that i mention and it worked.. I also did it following this pictures which is also the same as profor ..

http://i45.tinypic.com/309ln3c.jpg
Cool thanks for that info.....you say you did not bother opening the little black box. you just tapped the blue and white wire's together without a resistor and diode? or do i not understand you correctly?.
Also after doing this should the light go out by its self? or do i need to have it reset with a computer?
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Old 12-20-2010, 01:16 PM   #27
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no thats' not correct.. i did use the resistor and diode.. this is pretty much what i did..http://s772.photobucket.com/albums/y...t=_IGP7469.jpg.. and then i just kind of use the shrink plastic and black electrical tape..now just keep in mind that this will work only if you have not unplugged/disconnect the internal blue and white wires.. and as far as the light. it should go away by itself ( no always the case).

Last edited by haurelio; 12-20-2010 at 01:22 PM.
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Old 12-20-2010, 04:01 PM   #28
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no thats' not correct.. i did use the resistor and diode.. this is pretty much what i did..http://s772.photobucket.com/albums/y...t=_IGP7469.jpg.. and then i just kind of use the shrink plastic and black electrical tape..now just keep in mind that this will work only if you have not unplugged/disconnect the internal blue and white wires.. and as far as the light. it should go away by itself ( no always the case).
ah I see now!. the way that i done it is, I removed the blue and white wires from inside the black box and soldered the components directly onto the circuit board were they once were. I then reassembled the black box and plugged it back into the wiring loom, do you get me?.
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Old 12-20-2010, 04:36 PM   #29
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yeah. i did that first but it didn't work for me. not very good at soldering i guess..
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Old 12-20-2010, 06:49 PM   #30
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yeah. i did that first but it didn't work for me. not very good at soldering i guess..
Na I reckon your soldering is ok, I would be more inclined to say the design has a fault of some sort. what the hell ill just do it your way . did you do all the work inside the little black box? because i did not see any outside your box (on the phot) , Noel.
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Old 12-20-2010, 09:23 PM   #31
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outside the box.. i'll take a picture tomorrow..
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Old 12-21-2010, 02:04 AM   #32
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Thank you.

This will be very useful to my buddy, who is very frustrated because of the light
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Old 12-21-2010, 06:31 AM   #33
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outside the box.. i'll take a picture tomorrow..
Thanks man, your a gem ! UP THE IRISH!
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Old 01-07-2011, 11:01 AM   #34
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Not sure which resistor to use - 3.3K, 4.7K or 47K as all three of these have been mentioned in the previous posts. Will all 3 make the status of the passenger seat 'OCCUPIED'
Any ideas?
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Old 01-07-2011, 11:03 AM   #35
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Old 01-07-2011, 04:50 PM   #36
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I ve tried them all and none of them work!, i also tried putting the resistor inseries with the diode, and in parrallel, my heads wrecked, rang the dealer JOE DUFFY in finglas,Dublin,Ireland and they said it would 300 euro labour and 165 for the mat, they also said it may need a re-diagnostic which is also the guts of 200 euro( for reading a few fault codes ), IF YOUR IRISH BICOTE JOE DUFFY MOTERS FINGLAS RIP OFF MERCHANT! , I am seriously considering bringing it to a differant dealership and just forking out, I sick of that light, wont even pass our national car test,
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Old 01-07-2011, 05:16 PM   #37
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The light will defo go out with the old circuit i.e. 2 100ohm resistors in series with the diode. However, I dont think this makes the seat 'OCCUPIED' and that is what I am trying to resolve.
Floorjacker - you say that you have tried them all but did you reset the codes man?
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Old 01-07-2011, 05:20 PM   #38
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The light will defo go out with the old circuit i.e. 2 100ohm resistors in series with the diode. However, I dont think this makes the seat 'OCCUPIED' and that is what I am trying to resolve.
Floorjacker - you say that you have tried them all but did you reset the codes man?
no! should it not go out its self? her whats this one with the two 100 ohm s in series, tell us more, I am all ears, so you want to do it for me , chi ching?
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Old 01-07-2011, 05:22 PM   #39
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No, it wont go out by itself. you need to reset the code using diagnostic computer
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Old 01-07-2011, 05:26 PM   #40
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No, it wont go out by itself. you need to reset the code using diagnostic computer
yerman up top said it would go out its self, plonker, can i do that me self? with software? so in reality all those times ive done and re-done that job was for nothing?
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