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DIY - M5 SMG Shift Knob Wiring Retrofit Kit
Published by a l l a n
02-18-2009
Post DIY - M5 SMG Shift Knob Wiring Retrofit Kit

DIY - M5 SMG Shift Knob Wiring Retrofit Kit
by a l l an
based on ironic's initial design

DISCLAIMER
It's your car, not mine.

CREDITS
Thanks to ironic for creating ver 1.0 of this kit.

PARTS

Total Kit Cost
$240 to $320 (incl shift knob, wiring parts, shift boot, and heat shrink tubing) plus your own time

Where to buy
Tischer BMW / getbmwparts.com
Not in any way affiliated with Tischer but the parts were bought from them.

Part #1 - M5 shift knob
Shift knob "buy" link (Tischer)
http://www.trademotion.com/partlocat...logid=4462&tab
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Note: The knob on this picture has the E9x auto shift boot pre-sewn. The actual knob you'll be getting will have a different shift boot that you'll have to replace with your E9x boot.

Part #2 - Harness components
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Part #3 - Shift boot (either you use your existing or buy a new one)

Part #4 - Heat shrink tubing (optional)

TOOLS
1. Scissor or wire cutter
2. Wire stripper (for 20 and 16 AWG)
3. Hair dryer (if you will be using heat shrink tubing)
4. Electrical tape (if you won't be using heat shrink tubing)

TIME REQUIRED
A few fun hours

PIN ASSIGNMENTS, HARNESS CONNECTIONS, and WIRING SKETCH

M5 shift knob pin assignments
1 = Zone Reverse (GND)
2 = Zone Neutral (GND)
3 = Zone Drive A/S (GND)
4 = Night Illumination (GND)
5 = Switched +12v for Night Illumination
6 = Switched/Constant +12v for zone lighting

Pin connections
M5 pin 1 -> White connector pin 2 (or 3 if you look at it as a 6-pin connector) (R)
M5 pin 2 -> White connector pin 3 (or 4 if you look at it as a 6-pin connector) (N)

M5 pin 3 -> Blue connector pin 4 (M/S)
M5 pin 6 -> Blue connector pin 5 (Zone illum)

M5 pin 4 -> Power connector pin 1 (Night illum - ground)
M5 pin 5 -> Power connector pin 2 (Night illum - +12V)

Sketch
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KIT ASSEMBLY
The wiring sketch is all you need really to build this kit. Here are a few guidelines/tips that can help you out.
  1. Assembly

    Assemble your wiring harness like below. The bushing contacts go to the socket housing and the pin contacts go to the pin terminal. There is no housing for the circular receptacles.

    I cut the cables with the following approx. lengths. These are longer than what's needed but you're better off being long than short.

    (4-pin) cables for the "white" male/female connectors - 6in
    (6-pin) cables for the "blue" male/female connectors - 8in
    (6-pin) cables for the shift knob connector - 10in
    (3-pin) male/female circular power cables - 10in

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  2. Pin # designation

    Tip: Make sure you follow the orientation of the connectors as shown below when determining the pin #s.
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    The 4-pin connector is the same 6-pin connector but the 1st and 6th slots are not used. I numbered pins 2-5 as 1-4.
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    Tip: It helps to tag-label the wires to avoid confusion and mistakes.

  3. Connecting the wires

    Tip: The dotted lines in the sketch represent the wires.

    Now connect the female connector wires to corresponding male wires.

    Tip: If you'll be using heat shrink tubing and wire jackets, insert the tubes/jackets to appropriate wires and spots before you connect/splice the wires.

    Examples:
    - pin #1 of the female "blue" connector joins with pin #1 of the male "blue" connector
    - pin #5 of the female "blue" connector joins with pin #5 of the male "blue" connector and pin #6 of the shift knob connector.

    Tip: Check your connections a few times to ensure you did it right.

    Now wrap the connection with electrical tape or heat shrink tubing (I prefer the latter). Use the hair dryer to shrink the tube.

  4. Completed wiring kit

    Your kit should look identical to this (probably minus the red/orange jackets).
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    You'll see that I tag-labelled the green (power) wires as they don't have their own housing. I labelled the ground and +12V wires on both sides so I can identify them during the install.

INSTALLATION

Step 1 - Disconnect the stock shift knob wiring connections (blue, white and power connectors)

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Detached female stock connectors
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Step 2a - Connect the wiring kit female connectors to stock male connectors

Get your badass wiring kit and make these connections. The male/female pairs can only be hooked up one way so there is zero chance to mess up the orientation.

You'll here a "click" when the connectors snap and lock into place.

Tip: Be careful still inserting the connectors to avoid bending the male pins.
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Step 2b - Connect the wiring kit male connectors to stock female connectors
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Step 3 - Neatly tuck in the wires and install the M5 shift knob

Tip: Route your wires to the top of the center console so they don't get in the way of the shifter.
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Tip: Don't permanently close your center console yet as you still need to test the knob and gear functionality. I just can't wait to show you how awesome it looks right now.
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Step 4 - Test your super knob

Check that the knob illuminates the selected gear and make sure the gears are working properly.


Now it's time to celebrate!





__________________
E90 2007 / Step / Montego Blue / Black Dakota Leather / Premium / Cold Weather
MODS
: Exterior: Blacklines, debadged, HO ceramic 35% tint, Hoen yellow fogs, matte black grille, OEM style splitters, Halogen-to-Xenon Interior: Alum pedals, CF wrapped trim, V1 and Nuvi hardwire, M-Tech tri-stitched wheel, SMG M5 shift knob Performance: AluFelgen CSL 19" 8.5 ET33/9.5 ET30 with 5mm rear spacers | GY Eagle F1 Asym 235/265, KW V3, BMW Perf exhaust+intake
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  #1  
By a l l a n on 02-18-2009, 09:29 PM
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Reserved
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  #2  
By Hedges on 02-18-2009, 09:54 PM
siiiick! three cheers for allan!
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  #3  
By cbetlyon on 02-18-2009, 10:58 PM
some on should create a wiring harness!!!
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  #4  
By phattbam on 02-18-2009, 11:26 PM
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nice work Allan... I'm hoping I can do the same with the DCT/650 knob.
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  #5  
By allstar8 on 02-19-2009, 03:04 AM
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good job..
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  #6  
By hollandjean on 02-19-2009, 06:15 AM
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cool.......2 thumbs up for ya allan~~~~~~
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  #7  
By absix on 02-19-2009, 06:29 AM
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THUMBS UP!!!!!!!
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  #8  
By a l l a n on 02-21-2009, 11:02 AM
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Updated the DIY but it's still not done yet.
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  #9  
By Houman21 on 02-21-2009, 06:42 PM
You're the man - thanks for another great D.I.Y.
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  #10  
By mkPOTO on 02-21-2009, 07:53 PM
very nice subscribed
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  #11  
By a l l a n on 02-21-2009, 09:51 PM
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Finally done guys!
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  #12  
By cyba on 02-22-2009, 02:18 AM
so your knob is working perfectly?
If you have extra wiring kit for sale pm me
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  #13  
By a l l a n on 02-22-2009, 10:24 AM
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Quote:
Originally Posted by cyba View Post
so your knob is working perfectly?
If you have extra wiring kit for sale pm me
Yes, it works perfectly. Though I've seen this warning once when I was testing it in Neutral. It never appeared again since.
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Sorry, I don't have an extra kit. This is an easy DIY so give it a try.
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  #14  
By phattbam on 02-22-2009, 10:39 AM
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Quote:
Originally Posted by a l l a n View Post
Yes, it works perfectly. Though I've seen this warning once when I was testing it in Neutral. It never appeared again since.
Attachment 242307

Sorry, I don't have an extra kit. This is an easy DIY so give it a try.
very nicely done Allan,
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  #15  
By a l l a n on 02-22-2009, 10:43 AM
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Quote:
Originally Posted by phattbam View Post
very nicely done Allan,
Thanks.

How's your DCT knob mod?
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  #16  
By BzsBimmer on 02-22-2009, 11:27 AM
This is a job well done. Even the graphics are top notch! Thanks ironic and allan
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  #17  
By phattbam on 02-22-2009, 11:31 AM
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Quote:
Originally Posted by a l l a n View Post
Thanks.

How's your DCT knob mod?
still waiting to get it back from a member who was trying to get it to work. I'll do my best to get it working with your DIY which was pretty detailed too. Thanks for posting the DIY.
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  #18  
By a l l a n on 02-22-2009, 11:55 AM
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Quote:
Originally Posted by BzsBimmer View Post
This is a job well done. Even the graphics are top notch! Thanks ironic and allan
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  #19  
By Turkishexpress on 02-22-2009, 09:38 PM
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Nice bro!
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  #20  
By Bimmer335i07 on 02-25-2009, 10:22 PM
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Great work Allan! Didn't even know you were working on this.

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  #21  
By a l l a n on 02-26-2009, 12:13 AM
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Quote:
Originally Posted by Bimmer335i07 View Post
Great work Allan! Didn't even know you were working on this.

Thanks Scott!
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