Ultimate DIY for 18 Button OBC Upgrade from 7 or 11 Button OBC Made Easy w/ Pictures!
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12-08-2008, 08:36 PM
The Way A Man Should Be
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Once you get done with the Glove Box Area Modules. Then you can finish up the DIY by attaching the new remote BC Stalk. Your 18 Gauge wire that you spliced to the Yellow/Red wire coming out of Pin 4 on the White OBC Connector should still be there hanging out under the steering wheel. I did this part of the DIY the following day, only because I installed E36 Modular Cup Holder & Console LED Lights earlier in the day and I ran out of sunlight. For me the installing the BC Stalk was tricky since all the previous DIY omitted that BMW made 3 different Stalks that each ground differently.
My BC Stalk was
and had a terminal loop on one ground and a black clip in connector on the second ground. My car’s original Stalk was
and had both the ground wires firmly connected inside a square, flat connecter that grounded behind the steering wheel's slip ring adjacent to the horn’s wiring. It took me a while to figure out what to do. But I ended up cutting the tip of both grounds off the BC Stalk wires and cutting the wiring in my car and spliced the ends of the new ground wires to the wiring of the grounds going to the square connector in my car. It was extra unplanned for splicing but it worked. Now you will remove the old stalk and insert the new stalk. My old stalk was plastic tie wrapped with a lot of other wires to what looked like the steering column brace. I clipped the tie wrapped and released the old stalk, wires and all. Now insert the new stalk body into the socket and find the Yellow/Red (NOT Brown/Red like other DIYs say) wire and tap into that. If you are confused as to what wire you need to tap into, just hold your old stalk next to the new BC Stalk and you will clearly see that the new BC has an extra pin slot and wire coming out of it. That is your target wire. Depending on which BC Stalk you pick up there may be and extra brown wire coming out a Pin Slot or rather there may be a Pin Slot that have two brown wires (Brown and Brown/Red) coming out of it. These are the ground. If your airbag and steering wheel are back in place, then you can plug back in your car’s battery and test the BC Stalk it should work immediately.
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