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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY - Complete PNP Harness for Paddle Shifter Retrofit - A Pictorial Guide



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AoshichanX's Avatar DIY - Complete PNP Harness for Paddle Shifter Retrofit - A Pictorial Guide
AoshichanX
AoshichanX
10-20-2011
Disclaimer:
This DIY uses wire twisting and electrical tape to join wires. My vehicle has no problems and works well, but you may want to consider other methods of wire joining:

Click here to read the entire tutorial
  #22  
By taibanl on 02-11-2012, 09:33 PM
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And I know theres more than 1 without, there is one with longer "arms" to grab the cable (a la #3) than the other (a la #1)
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  #23  
By Pseudo Nim on 02-11-2012, 09:34 PM
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Quote:
Originally Posted by taibanl View Post
And I know theres more than 1 without, there is one with longer "arms" to grab the cable (a la #3) than the other (a la #1)
I think the best bet is probably to go to the dealer and look at them.

On the other hand, the dealer charges $8 (!!!) for one of those wires. Unbelievable.
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  #24  
By taibanl on 02-11-2012, 09:35 PM
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It gets cheaper (less than a buck) if you are just getting the contact
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  #25  
By EQUANT on 02-13-2012, 07:30 AM
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Great DYI!

I have just a question: what thickness wire do i need for connecting all those? 0.75mm or what?
I shall attempt this retrofit myself soon, just wanted to make sure i order the right things.
Last edited by EQUANT; 02-13-2012 at 07:39 AM.
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  #26  
By taibanl on 02-15-2012, 09:53 PM
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Quote:
Originally Posted by Pseudo Nim View Post
It makes sense that there must be one with, and one without, the wire. Just to sort out which one it is...
here is the parts diagram withOUT wires

http://realoem.com/bmw/showparts.do?...17&hg=61&fg=15
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  #27  
By yokono_unit on 02-26-2012, 12:53 AM
I just made my harness and it works like a charm. I have a 12/2006 build 335i and just installed m3 dct wheel and it shifts and D and DS. Thanks for the DIY.
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  #28  
By jip on 04-29-2012, 11:57 PM
Just a hint for those struggling to remove the slip ring harness:

The grey bit of the connector casing is kept still by a black notch at the direction of removal. Push the black notch toward the driver's seat's backrest, and then you'll be able to turn the grey lock aside and remove the connector. I spent a considerable amount of time trying to figure out how to do that, because it is not very easy to see clearly.
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  #29  
By ewhite6 on 10-06-2012, 03:43 PM
bringing it back bc it is an awesome how to, did yall ever find the part number for the connectors only. Also how much did makeing this end up costing you?
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  #30  
By CanadianDriver on 10-19-2012, 09:57 PM
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i want to do this as well.
any cannucks who have tried this retrofit?
please share where you got all your parts in the GTA. (dct wheel with paddles, harness, etc)
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  #31  
By lingnoi on 11-09-2012, 05:31 PM
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I have an E90 LCI from 10/2010 and followed the DIY but paddles are not working.

I am using the LCI paddles and have bought the multifunction buttons for paddles (6 leads) so that I didnt have to modify the cables coming from the paddles.

What am I missing???

Thanks.

Regards,
Leo
Last edited by lingnoi; 11-09-2012 at 05:55 PM.
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  #32  
By BQ05 on 11-10-2012, 11:01 AM
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I did this 3 weeks ago on my E91 LCI with LCI paddles, followed the guide and was very surprised when it was not working. Felt like I had wasted a my money, but then I found these posts.

http://www.e90post.com/forums/showth...addle+shifters

http://www.e90post.com/forums/showpost.php?p=10355838

And now it works perfectly
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  #33  
By lingnoi on 11-10-2012, 11:07 AM
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BQ05: What did you actually have to do to get it to work?

I bought the correct MFB buttons (...073) for paddles so I thought I didnt have to modify the paddles. Which buttons are you using?

I have read noth threads but it gets confusing with people with pre-LCI cars fitting LCI buttons.

Regards,
Leo
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  #34  
By BQ05 on 11-10-2012, 11:54 AM
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In the LCI paddles there are two resistors in each, one resistor is 6k ohm and the other is 300 ohm in the -paddle and 1k ohm in the +paddle. You have to remove the resistors on the circuit board in the paddles, and short circuit the solder points for the lower resistance resistor in each paddle. You can see the resistors in the second link i posted, they are the small black squares with silver ends.
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  #35  
By lingnoi on 11-10-2012, 01:47 PM
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I have seen the pics of the paddles with the resistors removed but I thought this applies to pre-LCI cars only. I guess I was wrong...

How does Burgertuning offer a pnp solution? Does it only work with pre-LCI cars or how do they do LCI cars?

Regards,
Leo
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  #36  
By BQ05 on 11-10-2012, 02:45 PM
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From what i have read it is not if the car is LCI or pre LCI, it is the paddles. I do not know for certain but i think that only the LCI paddles have resistors, while the DCT and SSG paddles do not.

I have not looked into bms plug and play kit, but perhaps they only offer it for DCT and SSG paddles. Or if they include instructions for modifying LCI paddles.
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  #37  
By lingnoi on 11-10-2012, 06:32 PM
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I have now modified the paddles according to instructions (remove resistors and bridge the lower resistor but still no luck. Nothing works! This is frustrating after so much time spent...

Regards,
L
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  #38  
By BQ05 on 11-11-2012, 05:32 PM
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Check the connections, use a multimeter. At the gear selector check the resistance when pressing on the paddles, measure between a ground point and each of the wires coming from the paddles to the gear selector harness. When pressing on the paddle and measuring on the correct wire there should be little (wire resistance) to no resistance, and when no paddle is pressed there should be infinite resistance.

There is one thing that I reacted on in this guide and the LCI paddles is that the 3-pin connector socket from each paddle is not connected like this guide suggests. Look at "installation part 1 - paddles to mfb", there are 2 wires coming from my LCI paddles that are connected to pin 1 and 3 but this DIY suggests that they should be connected to pin 2 and 3. I would think that this could be your problem depending on the production date of your multifunction buttons, but you could try moving one wire from the each paddle to pin 2 on the connector socket and test the paddles again.
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  #39  
By VMRWheels on 11-12-2012, 01:02 PM
Holy cow, first wiring job and you took on such a big task! Great work!
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  #40  
By lingnoi on 11-12-2012, 01:51 PM
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BQ05

I have not done the manual wiring of the paddles to the buttons as I bought the paddle-ready buttons with the 6 wires going into the plug.

Regards,
L
Last edited by lingnoi; 11-12-2012 at 02:11 PM.
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  #41  
By BQ05 on 11-12-2012, 04:32 PM
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lingnoi

Yes but you connected the paddles to your "6 wire multifunc buttons" with a 3 pin socket that has two wires, which means that if one wire is in the wrong pin# the paddles will not work. This could be the problem as I noticed during my own install, that the LCI paddles did not use the same pin# as the SSG or DCT according to this DIY.

To get your paddles to work you will need to measure the connections so you can see where the signal stops on the way from the paddles to the blue connectors in the shifter harness, otherwise this will be very difficult to get working.
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  #42  
By lingnoi on 11-17-2012, 01:29 PM
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BQ05

You, Sir, have made my week!

My paddles are now working thanks to the great advice of BQ05. The wires from my paddles were in fact in the wrong pin locations so that no signal was transmitted through to the multifunction buttons and onto the transmission. And I had to desolder the resistors of course.

I can shift in D and DS by the way.

THANK YOU AGAIN.

Regards,
L
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  #43  
By sirseko on 12-09-2012, 05:49 PM
Sick, will be attempting this soon!
How much did the shifters & wheel cost?
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