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Old 12-31-2019, 12:25 PM
Join Date: Jan 2009
Location: Calgary, AB
Posts: 363
GOFAST GUY is on a distinguished road
Awesome thread! thanks for all the progress pics. As you know, I'm currently doing a similar build on my 03 4.6is. I spun a bearing and decided it was the perfect time to do an LS swap so I bought an 08 Chevy Express van 3500 with an LY6 6.0L mated with a 4L80 tranny and pulled my engine yesterday to make room for the much bigger, but narrower LS.

I labeled the wiring coming off my engine and have the whole wiring harness laid out so now i'm tracing the wiring back to the ECU but any wiring diagrams on pins would be super helpful.

Also, pm me on your motor mounts details. thanks

Keep up the great work!!
If you can still see the disapointment on his face in your rear view mirror, he's not far enough behind.
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03 BMW 4.6IS
98 BMW E36 M3 modified

Last edited by GOFAST GUY; 12-31-2019 at 12:53 PM.
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Old 01-13-2020, 04:54 PM
Join Date: Oct 2019
Location: 53202
Posts: 3
hansnielsen is on a distinguished road
What's the most challenging part about the wiring in this swap? Are there any weird CANBUS or EWS stuff to worry about?
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Old 01-17-2020, 02:54 PM
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Join Date: Jul 2011
Location: Livonia, MI
Posts: 224
bmwman528e is on a distinguished road
Same as E39 pretty much. Speedo goes off of ABS Sensors, Depending on Fuel Setup if you can retain factory float you'll be fine there and tach is the same mod as the e39 with some light coding and repining a wire in the back of the cluster. EWS is unaffected because you leave the factory system in place.
2002 BMW X5 4.6is soon to be LSX swapped. Silver on Imola

2003 BMW X5 3.0i 5 Speed Manual, Sport Pkg, 190,xxx miles and counting. Black/ Black 20" 4.6is Wheels, OEM Stainless Steps, ZHP Shift Knob
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Old 01-17-2020, 03:32 PM
Join Date: Oct 2019
Location: 53202
Posts: 3
hansnielsen is on a distinguished road
Originally Posted by bmwman528e View Post
Same as E39 pretty much.
Great, I'll have to get up to speed on what's all involved in the E39 swap.

I have a 2002 3.0 manual E53 that needs more power and I think an LM4 would be a nice option. For all the work, a 6.0 would be nice, but the stock ZF 5 speed can't handle much, and I've heard the NV125 is also a weak point. I suppose I could get creative and see what other AWD gearboxes work with this: https://www.drifthq.com/products/pmc...=9863786168367
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