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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, Feb-11-2019, 03:46:10 PM   #1
nextelbuddy1
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Default OEM navigation retrofit using oem navigation harness instead of the retrofit harness?

so i have a parts car with the full MKIV system. i wanted to pull the entire kit and install it into my car. yes i know way cheaper alternative android head units out there. I just like tearing cars apart i guess

my car has HK factory system with CD53 unit. SES jumper present in the back and a factory Bluetooth TCU currently installed with bluetooth enabled for phone calls.


instead of buying the navigation retrofit harness, is it possible to just reuse the original navi harness i pull from the donor car at all?

i will get the retrofit harness if i must. i think its only around $180 but would be nice to save $180.


i do see people selling original navigation entire harness from parts car on ebay but was curious why would they be selling those entire harness unless you can use them as retrofit harnesses possibly?
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Old Mon, Feb-11-2019, 04:05:32 PM   #2
Obioban
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Default Re: OEM navigation retrofit using oem navigation harness instead of the retrofit harn

The nav harness is built into the main body/stereo harness, so you'd have to replace the entire thing.

Possible, but a huge PITA.
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Old Mon, Feb-11-2019, 06:04:02 PM   #3
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Default Re: OEM navigation retrofit using oem navigation harness instead of the retrofit harn

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Originally Posted by Obioban View Post
The nav harness is built into the main body/stereo harness, so you'd have to replace the entire thing.

Possible, but a huge PITA.

ok that makes sense, thanks for confirming.
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Old Tue, Feb-12-2019, 07:10:41 PM   #4
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Default Re: OEM navigation retrofit using oem navigation harness instead of the retrofit harn

I’ve done it. I wouldn’t recommend it. The retrofit harness is worth the expense.
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Discussing Do you take cell phone pics of your m3 constantly Cell phone snapshot thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)