Conversions & Swaps LSX Engines in Non-LSX Vehicles
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1999 BMW 540i E39 LSX LS1 Conversion

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Old 10-22-2009, 10:46 AM
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Default 1999 BMW 540i E39 LSX LS1 Conversion

I am starting this in hopes of finding someone that has actually completed this conversion, I am doing all the info gathering i possibly can but have failed to overcome one big question/hurdle..... All the e39's cluster readings and most of the interior electronics are rad through the CAN system. I think the 540 and a ls1 would be the best of both worlds, great handling, extremely luxurious along with the ease of lsx parts supply and reliability. (not to mention 400rwhp with a cam sway! lol) But i would not like to have the bmw itself ruined, no heated seats, a/c - heater control, speedo etc.

If anyone has any info or has actually found a way to keep stock functions please share some info, and a black e39 with a magnacharged ls1 conversion will be on the road next spring!

Thanks for looking!
Old 10-22-2009, 01:05 PM
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Someone has done a tt swap into an e39 528i. I believe I saw it on here, if not here it was bimmerforums.
Old 10-22-2009, 01:42 PM
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IIRC, they never posted that it was actually running.
Old 10-22-2009, 02:06 PM
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thats what makes me worried i see alot of people start the project but havnt heard the end result.... getting the ls to run is not a problem, the bmw f**cked-up electronics are my worry, but it think it would look tacky to have autometer guages replace the factory cluster.....
Old 10-23-2009, 08:14 AM
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are you sure a 1999 is CANBUS? I always thought they started in 2000 with that crap...
Old 10-23-2009, 09:45 AM
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mmmm good thinking i will look into what year they swaped, i thought that all the e39 97up were buy i am no bmw expert, maybe one of the bmw forums has the info. I'll post what i find. Thanks!
Old 10-23-2009, 09:50 AM
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yeah it's 97-03 for the 5 series
Old 12-18-2010, 03:17 AM
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not so sure about that, i thought i read that the 97 and 98 528i maybe even 99 were not canbus, the 540i could be different though. i am getting ready to start the swap, just gathering up more parts. my car is a 97 528i manual.
Old 12-18-2010, 02:13 PM
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Blast from the past

The e39s migrated to CANBUS fom 98 on. The clusters are the same, but they are programmed differently.
Old 12-18-2010, 06:05 PM
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thats good to know, i figure you would probably know best rob. i have followed your builds on bfc. i am going to be doing my mock up in a parts car i picked up which is also a 97. i figure i will get the wiring and mounting sorted out while i still drive my car. also planning on converting to a different diff. i have 3 options right now for an lsd, i have a 3.15 from an e36 m3 and a 3.15 from an e32 750il, also have a 4.10 from an e34.

jeremy
Old 12-18-2010, 06:09 PM
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I loveee my dads E39. Such a plush car. An LS in it would top it off



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