Some BMW INPA K+DCAN Cable needs a modification to work on newer or older BMW cars. older vehicles requires the pin 7 and 8 to be bridged to work..3/2007 and later requires pin 7 and 8 to be separate.
Tools needed..
1. Small philip screwdriver
2. micro on/off switch (can be two prongs or three)
3. Soldering gun
4. Some type of glue gun or glue adhesive
5. and something to make a hole in de DCAN cover for the switch
Locate pin 8 which will have a number on the side of the board. One side will have the digit 1 and the other digit 8.
Once you locate pin 8, that’s the pin we will be using as well as the next one over. Connect each pin 7 and 8 with a separate wire and then use the soldering gun and connect each wire to the micro on/off switch… If you bought a 2 prong on/off switch connect it to each side, but if you bought a switch with three prongs, connect the middle and one of the ends, doesn’t matter which one. At the end there will be one prong end not used…Neatly place the wires snug so that the D-can cover can be closed without anything preventing it to make a closed seal and your done. Screw in the 4 philip head screws in their respected holes. Note which position is on and which is off by some type of label on the outside of the cover…Simple! Note on my first pic, I have a switch with 3 prongs, but I snipped off the 3rd one just to make it easier to solder…
I have tested it and it worked. My K+DCAN Cable work on all E-Series cars, doesn’t matter which model/year.
But there already INPA K+DCAN usb cable for sale that comes with PIN 7& PIN8 switch, works on BMW with 8 pin and with K-LINE protocol. Do not need to modify.Check here http://www.buyobdii.com/for-bmw-inpa-kcan-with-ft232rl-chip-obd2-interface-p-471.html
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