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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 07-02-2010, 02:39 PM   #1
Nachos23
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Talking DCT Shifter retro-fit into e46

Some of you might have seen my previous posting in regards to trying to get a DCT electronic shifter to work in an e46.... http://forum.e46fanatics.com/showthr...701&highlight= or previous to that ....http://forum.e46fanatics.com/showthr...381&highlight=




Well, I can close those threads down. Got all my answers from tracing out circuitry and metering out voltages, etc. Have to thank Arty for the idea of isolating the selector switch (had thought of it Arty, didn't think it was isolated like that) and Delmarco for getting me interested in the mod in the first place. Not going to repeat mechanical steps, Delmarco covered them extremely well in his post http://forum.e46fanatics.com/showthread.php?t=760259

Well, got it working by isolating the selector switch; applying power to the common terminal vs. grounding as it was originally connected. Moved cables and terminals from existing lighting panel (bought to be salvaged) and extended the data cable on the DCT shifter (actually nicked it when drilling out the centre of the shifter to allow installation on the stock e46 stock, so I had to remove and recrimp connector; so extended it another 6 inches)....

That addressed the PRND lights, but I had to use a micro relay and another series resistor and diode (to replacate original diode betweens pins 1 & 3 on X1600) and then use the ground connection to close relay. Other side of relay runs batt voltage through 610ohm resistor to drop voltage to power M/S LED. Only thing I've not addressed (would require a little more circuitry (maybe version 2 LOL) is that the D LED remains on when the M/S LED is lit. Personally, I like it, but could design a cancellation circuit to turn of D LED when M/S selected (like I said, maybe version 2). Going to add 0.5A micro fuse to both power lines on board (batt and dimmer) to protect incase of short and will eventually put cover on box to close. Right now tucked next to lighter under console. Ribbon cable is routed so it rests on Shift release motor and seems to move freely in all positions.... Will check in a few weeks and see if there are any rub marks present...

Here's the pics.















Final assembly.... Nice and neat!!



Still need to integrate electronic shift lock into P switch on shifter. Maybe this weekend....
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Old 07-03-2010, 01:22 PM   #2
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Will you be able to show us how all this is done or is it to complicated. It looks a little complicated.
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Old 07-03-2010, 08:03 PM   #3
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Quote:
Originally Posted by burtonml View Post
Will you be able to show us how all this is done or is it to complicated. It looks a little complicated.
Going to post DIY with schematic. Will require some technical knowledge to build circuit. Installation is not difficult. That's fairly easy to explain.

If you can read schematics, circuit consists of 2 resistors, relay and the 3 connectors used in current setup. Took those from a console I bought to teSt and salvage parts from. You can buy the connectors from BMW as well (not sure of part numbers, will try to identify). I wanted to design mod (like all I do) to be completely reversable and leave no footprint. Ultimately, most of the work is done extending cables and building the small circuit board). Maybe I should put together as a complete kit?? Hummmm
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Old 07-10-2010, 12:19 PM   #4
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Awesome!
Thanks Nachos!!!!!

I will reference this thread in future.
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Old 07-11-2010, 12:56 PM   #5
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Quote:
Originally Posted by delmarco View Post
Awesome!
Thanks Nachos!!!!!

I will reference this thread in future.
Isn't that what Excel calls a circular reference? You're gonna reference this thread, I reference yours..... LOL

BTW: e38 cup holder installed into rear seat too..... Beauty@!!

What can we do NOW to top the DCT shifter???

UMMMMMMMMMMMMMMMMMM
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Old 07-11-2010, 09:25 PM   #6
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Updated pics......

Tried a night shot using BB..... Not great, but gives the idea....

Centre console painted now; getting Plasti-Dip later this week and will post after that's completed....



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Old 08-06-2010, 08:54 AM   #7
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I think I've managed to get Redlinegoods (www.redlinegoods.com) to make a custom shift boot to match the new red CF interior I will be wrapping this weekend. If it looks as good as I suspect, I'm going to have to sell my current set next week!! anyone interested in a complete 9 piece set? includes all standard interior trim and centre console....
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Old 08-06-2010, 12:50 PM   #8
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What can we do NOW to top the DCT shifter???

UMMMMMMMMMMMMMMMMMM
did you notice the four pads on the DCT shifter for buttons?
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Old 08-09-2010, 06:22 PM   #9
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No, but I will take a closer look. The 4 pads @ top u mean? those operate P button..... are there others I'm unaware of?
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Old 08-10-2010, 02:38 AM   #10
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No, but I will take a closer look. The 4 pads @ top u mean? those operate P button..... are there others I'm unaware of?
I was just being facetious. Do all 4 operate the P button? It would be a lot of work to the plastic to make buttons, and frankly, I can't think of any more buttons you need.
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Old 08-10-2010, 01:50 PM   #11
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got me

I had a ton of emails I was going through and PMs and just was in "respond" mode.

Actually the 2 buttons on the left and the 2 on the right are in parallel so they terminate to two pins on the connector. Was going to use it for electronic shift lock, but BMW TCU coding won't release master shift lock until is @ less than 5km/hr and brak applied. so it sits idle now
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Old 08-11-2010, 08:38 AM   #12
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got me

I had a ton of emails I was going through and PMs and just was in "respond" mode.

Actually the 2 buttons on the left and the 2 on the right are in parallel so they terminate to two pins on the connector. Was going to use it for electronic shift lock, but BMW TCU coding won't release master shift lock until is @ less than 5km/hr and brak applied. so it sits idle now
Turbo boost button?
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Old 08-11-2010, 02:13 PM   #13
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Naw NOS button!!!! problem is some unsuspecting person (likely the wife) will press P trying to park and instead hit NOS and my car will be featured on YouTube as she propels through the air into some object.... great You TUbe stuff!!!
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Old 10-10-2010, 12:53 PM   #14
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Received my new shift + e-brake boots and armrest cover.... Got the shifter boot installed (temporarily); waiting for my buddy to come by and help install permanently and assist in swapping e-brake and armrest covers.

Original automatic shifter plate still installed under the boot and is actually pressed fitted (with some 3m tape) into base..... will change once finalized..... probably during the week.

Here are a couple of pictures......







Boot a little tight @ moment when in park, but hangs nicely when in gear.... May order slightly longer boot if really needs it (this one is 1" longer than stock standard boot (estimated).....
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Old 10-10-2010, 01:46 PM   #15
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Very nice writeup. I have a question. When replacing the shifter trim; after removing it and doing all that I notice that my trim has a lip that does not seat properly. The lip of the trim is closest to the cup holder. Anyone know how to seat this properly?
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Old 10-10-2010, 03:28 PM   #16
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Quote:
Originally Posted by 1st_ID_Vet View Post
Very nice writeup. I have a question. When replacing the shifter trim; after removing it and doing all that I notice that my trim has a lip that does not seat properly. The lip of the trim is closest to the cup holder. Anyone know how to seat this properly?
There are two clips in the front that clip to the piece in front. Make sure the front piece is properly mounted and the two screws at bottom of bezel are tightened. Then, ensure you clip the surround into the front bezel and push forward and down and piece should seat. Once seated; secure it with the 2 screws.... If it won't seat properly, make sure the area under the clips is free of any blockage..... if still a "no-go", then remove surround again enough to expose front trim screws and loosen them. then try to install and seat surround..... it should fit then (tighten all screws ensuring to hold parts so they don't move) or lastly, whatever was done to it has altered the part and the surround itself needs to be trimmed.

Good luck!!
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Old 12-26-2010, 06:53 PM   #17
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your vehicle doesn't shift into DS mode when shifting the shiftknob over to DS though. Am I right?

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Old 12-29-2010, 10:21 PM   #18
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DS mode? The shifter is fully fucntional. When I move the lever to the left, it goes into Sport Auto mode and if I move it either way, it goes into Steptronic mode (what my car supports). I didn't change the actual tranny which would be required for fulll DCT support. But it does work in all modes my car supports...... Noticed your ride..... It comes from a 2010 650Ci Sport package, so it did require a complete re-wiring of the shifter assembly to get it to work.......
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Old 01-09-2011, 03:14 AM   #19
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ia there a way to got the shifter shorter? i want it like a short shift ...
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Old 01-09-2011, 10:47 AM   #20
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I was actually thinking of doing the same. The only way that i see is to cut the shifter shaft shorter. Which is obviously a permanent MOD.
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