BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      07-19-2016, 01:48 PM   #1
str8shot's Avatar

Drives: N54 Montego Blue 135i
Join Date: Mar 2012
Location: Wisco

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Cool 08 135i, base hifi stereo - where do the mic leads for the upper center console go?

I'm hooking up the mic for my cic / combox retrofit.

My car did not have anything but the base hifi stereo originally.

I checked every pin between the pins at the mic connector and TCU connector for connectivity and nothing.

Does anyone know where the mic leads terminate?
2008 Montego Blue 135i Coupe // Sport Package // Custom E30 tune via MHD // str8shot bluetooth enabled ethanol content analyzer // Walboro 255 inline pump // BMS downpipes // VRSF 7" FMIC // Injen intake // Vorshlag camber plates // Hotchkis FSB // Turner adjustable drop links // AST 5100 coilovers // Hawk HPS pads // Ti backing plates // Stoptech stainless brake lines // Turner 15mm front spacers
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      07-19-2016, 10:23 PM   #2
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Drives: '08 135i 6spd SGM
Join Date: Jul 2016
Location: United States

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Yup! I've done the retrofit, joining my microphone to the MULF. I followed this guide when it came to the wiring. Go to step 3 and look at the instructions regarding connector X14087. It's exactly the same in the 1er. When I was doing the install in my car, it appeared that the pins coming from the microphone connected to nothing, so I followed the guide to move them in order to connect up to the trunk. Additionally, like the guide, I switched pins in the trunk from the TCU connector to the MULF, since I was adding the $644 option.
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