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Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 06-18-2014, 02:00 AM   #1
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Join Date: Nov 2006
Location: mn
Posts: 50
My Ride: bike
name that engine harness connector

ive swapped a iron block e36 m52 into a 2000 323i and converted it to obd1, I trying to figure out what part of my e46 engine harness to keep for the gauges and hvac etc.. I labeled the majority of them but missed a few, and its been a couple yrs because this project stalled out for a while

#1 - harness that goes to the fuel injectors, see 3 plugs branch off. the green tape one just says "head intake side"

#2 - these connectors do a 180 - just by looking at pictures on the Bentley manual, I suspect one may be for the electronic controlled thermostat, and one might be fuel tank venting valve..

#3 - think I figured this out already, 2 wire is oil temp, the single wire plug is oil pressure - they were both on the filter housing

bonus question ? if I just plug in the 3pin plug to the e46 alternator to the cars original harness above, will I need to do anything with the smaller gauge wire (think it was blue) from the e36 obd1 engine harness? the e46 alternator bolted up to the e36 motor fine.

thanks for any help!

Last edited by 7808; 06-18-2014 at 02:49 AM.
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