M50B25 and M52B25 wiring diagrams

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Andeep
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Post Wed Apr 04, 2012 12:31 pm

Hi there,

Does anyone have M50B25 and M52B25 engine wiring diagrams for the X20 connector? The sticky images seem to be down.

I am putting a 1991 M50B25 auto engine (with manual box) into my 1998 323i (M52B25) and need to see the wiring differences.

Thanks!
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Jozi
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Post Wed Apr 04, 2012 1:11 pm

I think they can be found in the wiki
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craigieeb
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Post Wed Apr 04, 2012 1:53 pm

http://www.e30zone.net/e30zonewiki/index.php/M5x_Looms

http://www.e30zone.net/e30zonewiki/index.php/EWS
M50 Turbo!!! :o I shall say no more :D
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Andeep
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Post Wed Apr 04, 2012 2:06 pm

Cheers for that.

The M52B25 323i has EWS, but the 1991 M50B25 doesn't - so I don't think I will have a problem with EWS? Also the M50 loom is running VEMS, so no EWS anyway!
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Andeep
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Post Wed Apr 04, 2012 2:10 pm

Been looking through the electrical troubleshooting manuals for the M52 and M50 and it seems that the X20 pins are are same for both cars, so I don't see why I would have an wiring problems?

Been getting conflicting information from various sources...
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