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Old 06-26-2009, 07:23 PM   #1
DBeemerphileWnaB
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Join Date: May 2009
Location: Silicon Valley, California
Posts: 92
My Ride: 04 325i & 00 323Ci
Post E46 Radio X18126 Wiring Pin Out Chart

E46 Radio X18126 Wiring Pin Out Diagram Chart

I haven't seen this elsewhere in the Forum, and thought posting it would help anyone upgrading to Nav or altering their radio sytem to an after-market unit.
Although I formatted it in plain text, I am not sure how to get this website to retain the column spacings - it seems to eliminate all extra spaces.

Looking at the face of the (illogically) numbered radio plug in the dash:

[blank space] --1
[blank space] ------2
5 ------4------3
----7-----17--------6
10-----9-------8
----13----12-------11
16-----15-----14


The stated pin numbers for the dash plug are different than the radio plug.

Looking at the remote trunk radio, or the back of it's plug:

1---5----9----13
2---6----10---14
3---7----11---15
4---8----12---16 10ampfuse

Dash Radio
Pin# Pin# / Use / BMW Color / ga. -----Universal Color

1 --3 LF (+) yellow/red 18 ---white
2 --2 RF(+) blue/red 18 ---- gray
3 --4 LR (+) yellow/black 18 ----green
4 --10 Mute (Tele) white/brown 22 ----brown
5 --16 KL-R switched purple/white12v 16 ---- ?
6 ---1 RR (+) blue/black 18 ----- purple
7 ---9 I-Bus wht/gray/yellow 20 ----- ?
8 ---7 LF (-) brown/orange(-) 18 -----white/black
9 --15 KL30<64 Red/Green 12v 14 ----RED 12v?
10 --11 Tele-On white/green 22 -----?
11 ---6 RF (-) brown/orange (-) 18 -----gray/black
12 ---8 LR (-) brown/orange (-) 18 ------green/black
13 --14 58g 12v+ green/red back-lite 20 ----- orange ?
14 ---5 RR (-) brown/orange (-) 18 ----purple/black
15 --12 GND - brown 14 ----black
16 --13 Antenna white 20 ----white
17 --17 empty ------------- --- -----(alt use?)


Speaker (+) colors: * BMW: -----Universal:
Left Front * yellow/red ----white
Left Rear * yellow/black ---green
Right Front * blue/red ---gray
Right Rear * blue/black ----purple

Speaker Ground (-) BMW: * brown/orange(all) UNIVERSAL: " w/black stripe

Other Universal Uses: BMW(if used) --------Universal
Power Antenna -------------- / -------- blue
Amp Remote ------blue/white
Amp Gnd (-) --- black/white
Illumination ?? ------ ----orange
Dimmer Gnd(-) ?? ------ ----orange/black
Telephone yellow ------------- ?


These are from my Haynes manual and the Nav Retrofit kit wiring diagrams, and various websites.
Please help me fill in the blanks and the question marks!
Let me know of any corrections, clarifications, or additions.

Last edited by DBeemerphileWnaB; 07-14-2009 at 09:24 PM.
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Old 07-12-2009, 11:27 PM   #2
my_e46_rocks
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Join Date: Jun 2009
Location: seattle
Posts: 23
My Ride: 2004 325i
stereo pin out

thanks.
that's what i was looking for.
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