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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 05-29-2017, 06:01 PM   #1
///Masterblaster
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Race wiring?

So the previous owner of my car wired halos in like a retard, and this resulted in a dash fire later along the road since I've had it. I've never done much electronic wiring in cars, and I'm not sure where to begin when it comes to diagnosing damage. But basically it's looking like my easiest option is going to be race wiring the car or something like that. Any ideas, anybody got links to writeups of something similar happening? As you can see in the picture, I removed my whole dash already, and am now seeking what my next steps are to fixing my baby.
2003 m3
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Old 06-02-2017, 11:08 AM   #2
Commando
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Carbon eh?

A lot depending on how much of the original dash functionality you want. If you are planning on tracking the car and changing the cluster and deleting anything non-essential then the race wiring that suits the new instruments will no doubt be specific to what you choose and detailed by the manufacturer. On the other hand if you intend to use your car on the road then I would find a complete replacement dash from a wreck with the wiring intact - You need a lot more than just the wires so buying the dash in one lot will be cheaper and the parts should match. Try to get the DME and the keys too and save yourself some fiddling around. The EWS should be included too. Have fun!
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Old 06-02-2017, 02:55 PM   #3
///Masterblaster
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Ok, so I'm planning on still using the car as a daily for a while. I removed the whole dash. Had to cut out the cluster because the connections were fused.. I'm not sure what DME or EWS stand for. Do you know of a write up on how to diagnose the damage and where to start as far as repairing is concerned?

Last edited by Solidjake; 06-03-2017 at 05:51 AM.
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Old 06-05-2017, 10:57 PM   #4
Commando
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Unless you are already well set-up for replacing wiring and connectors etc. I would replace all damaged wiring form another car the same as yours. Try to get all the electronics from the same car. I don't know of a write up but its fairly straightforward. You must have a fair idea as you removed the old stuff.
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Old 06-06-2017, 02:42 PM   #5
choxor
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Race wiring sounds fast.
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Old 06-06-2017, 05:24 PM   #6
Novablue454
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I did "race wiring" in my car, used a Painless Performance chassis harness to power the basics, using a standalone engine harness and a Racepak cluster. No offense, but this doesn't sound like something you should be taking on on your own. Finding a wrecked car the same year as yours and pulling everything attached to the harness is going to be your best bet.
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