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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 06-16-2011, 04:01 PM   #21
330ciandr6
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Some guy already did it to where if you hit both paddles it will activate manual mode. He had a circuit board built up and everything.

search MIT e46. He has a website.
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Old 06-27-2011, 12:32 PM   #22
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I've just finished SMG steering wheel retrofit:


Here is the harness I made:



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Old 06-27-2011, 12:40 PM   #23
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btw, I had to transfer a metal plate with springs for airbag from my old steering wheel to the SMG one. The metal plate that came with SMG wheel didn't hold the airbag tight, it was very loose.

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Old 06-27-2011, 12:42 PM   #24
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Since I tested my work before assembling back I turned on the car without airbag connected. Of course, I had an SRS light on. It was easily reset by great tool - P.A.Soft 1.4.0 (http://www.bmw-scanner.com/?page=bmw..._v140&lang=eng).
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Old 06-27-2011, 01:13 PM   #25
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Yeah, and thank you, 330ciandr6, for this DIY writeup!
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Old 06-27-2011, 09:44 PM   #26
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Old 06-27-2011, 11:49 PM   #27
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Originally Posted by drumbum624 View Post
can someone give me a few more details on the clockspring replace steps. im just worried because I have a couple of friends who have done this and now their horns and buttons dont work...:/
This is very possible if you are not careful.
Ok, the clockspring (aka slipring) has a ribbon cable(with all the wires connecting the column and steering wheel) that is wound in such a way that it has enough length to rotate a certain number of turns both ways when you turn left and right. So when you remove the steering wheel ALWAYS keep the front wheels pointing dead straight. Once the steering wheel comes off the slipring, Lock up the slipring at what ever position it is on. NEVER rotate it until you put it back in a car that also has the front wheels pointing dead straight.
When you buy a second hand slipring, if it had been removed when the wheels were facing all the way left or right (or if the slip ring was rotated by hand whilst it was out of the car) and you install it whilst your wheels are pointing straight the chances are that when you first rotate the steering wheel you will rip that ribbon cable inside the slipring, hence your friends had their horn stop working rendering the slipring useless. $$$ down the drain.
I hope this makes sense.

so
RULE #1. Always keep front wheels dead straight when you remove and install a slip ring. Insist this be done if you're buying a 2nd hand slip ring.
RULE #2. Lock (tape up) the slip ring exactly at the position it came out. Do not rotate it at any stage by hand.

If you didn't follow these rules and you haven't had problems then you are LUCKY!!!! but it may still fail over time.


Btw I have the SMG wheel on my car too. When I pull both paddles at the same time it goes back to SD. Apparently older e46s didnt do this. I like that feature.

Last edited by fgin; 06-27-2011 at 11:51 PM.
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Old 06-28-2011, 01:37 AM   #28
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Quote:
Originally Posted by fgin View Post
RULE #1. Always keep front wheels dead straight when you remove and install a slip ring. Insist this be done if you're buying a 2nd hand slip ring.
RULE #2. Lock (tape up) the slip ring exactly at the position it came out. Do not rotate it at any stage by hand.
These are very wise recommendations! It is very easy to ruin your slip ring by installing it when it is not in center position. However, it is very easy to check and center it and I'd recommend to do it with any used slip ring:
1) very carefully rotate it clockwise until you feel resistance. DON'T ROTATE any further!
2) now, rotate counterclockwise 3 full revolutions. I checked on two slip rings, it is 3.5 revolutions to the center position.
3) you may also rotate it counterclockwise until resistance, in this case it will be 4.5 revolutions from the center position.

Last edited by Nervous; 06-28-2011 at 01:39 AM.
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Old 06-28-2011, 05:22 PM   #29
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thanks for the tips fgin. I ended up with a new clockspring when I did this a couple weeks ago and all went well. Everything functions properly but I am not able to pull both paddles to switch to sport mode. I have an 03. the funny thing is when I am in SD and pull back on both paddles, the car switches to D as long as I am holding on to both paddles and then back to SD when I release. But I am very happy with this little project so thank you everyone for your help!
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Old 06-28-2011, 06:44 PM   #30
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Pulling both paddles should do nothing. And it won't do anything unless you have built a circuit board like the guy did from MiT to make it switch between D and manual mode.
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Old 07-27-2011, 05:27 PM   #31
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Now selling this kit, click link in my sig.
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Old 07-28-2011, 03:45 PM   #32
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Originally Posted by 330ciandr6 View Post
Pulling both paddles should do nothing. And it won't do anything unless you have built a circuit board like the guy did from MiT to make it switch between D and manual mode.
actually thats not correct. i know 2 guys with GM tranny and both have that paddleshift-mod worling without additional hardware. i will test it tomorrow, when i reinstall my battery.
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Old 07-28-2011, 05:35 PM   #33
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actually thats not correct. i know 2 guys with GM tranny and both have that paddleshift-mod worling without additional hardware. i will test it tomorrow, when i reinstall my battery.
Of course it will work with a gm transmission, but pulling both paddles at the same time will do nothing. The grounding wires for + and - are completely separate from the ground signal for the d and sport mode.
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Old 07-29-2011, 09:33 AM   #34
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They are both changing between D and S just by pulling both paddles at the same time! no electric circuit or something.
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Old 07-29-2011, 02:04 PM   #35
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They are both changing between D and S just by pulling both paddles at the same time! no electric circuit or something.
Unless BMW changed the signal wires for the shifters on newer cars that's not possible without adding a new circuit board.
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Old 07-31-2011, 06:44 AM   #36
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Well, there seems to be a difference between ZF and GM tranny as 2 GM trannys work with the paddleshift-mod (pulling both paddles to switch D/S) and my ZF doesn´t.

you´ve spoken about a circuitry which allows that function, do you have any further information?
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Old 01-11-2012, 12:36 PM   #37
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really would like to do this one day!! other things first though
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Old 01-11-2012, 02:55 PM   #38
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I'm gonna sell my kit here soon as I'm selling the car.
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Old 01-16-2012, 08:12 PM   #39
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This kit is now for sale!

http://forum.e46fanatics.com/showthr...0#post13985790
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Old 02-02-2012, 06:46 AM   #40
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nice DIY,

i want to try in my n46,
i just asking the BMW service, they said i have to change my slip ring, but i check in web, my slip ring part number code is same with 330CI.
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