Conversions & Swaps LSX Engines in Non-LSX Vehicles
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A UK E46 M3 with a LS3

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Old Feb 28, 2017 | 03:01 AM
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Originally Posted by excelsiorracing
Quick question,

Are you using all of the factory gauges and switches?

I am in the process of gathering intel on my E46 sedan LSx swap. I want everything on the inside to appear factory and work correctly.

I have all the hardware tracked down but now I am onto the electrical. A custom made harness is going to run me $1800 USD or there about.

Is this what you did?
I am yeah. It all works through the CANBUS but I don't understand it. My mapper at emerald makes it all work. As far as I know you start with an off the shelf part loom and work it into the original setup and then the rest is software?

So it was good over the weekend while dry.
Popped down to Brill. Which was... erm... brill!
Mapping next week will hopefully eliminate a lot of the bucking and deadspot on the throttle. Fingers crossed!

A UK E46 M3 with a LS3-qsfdm0yl.jpg

A UK E46 M3 with a LS3-pjl906al.jpg

A UK E46 M3 with a LS3-ncu8ur1l.jpg

A UK E46 M3 with a LS3-mjgbnqyl.jpg

Some guys in the petrol station asked if they could have a look round it and take some pics which was a nice feeling. They couldn't believe it had a Chevy engine haha.
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