I have no idea what it is or what it does.
It looks like an inline fuse holder (orange), but it's not.
It is located on the bracket that holds the three relays (main, fuel pump & O2 sensor heater) on the driver side.
Mine is crumbling to dust and I would like to replace it before it fall completely apart.
Its just a two-prong electrical connector that is supposed to be waterproof. I haven't traced the wires but I expect it is a sensor. Mine have disintegrated as well.
It makes the connection from your airbag sensor to the control unit for the airbag system.
I was unaware that my '89 325i has an air bag. I don't remember any decals or lettering.
https://www.realoem.com/bmw/enUS/sho...diagId=65_1966
Screenshot_2018-07-20 RealOEM com - Online BMW Parts Catalog.png
It would be around in that time frame - not exactly sure what year they began in the 325i..
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Just thinking about it - It may also be the plug that runs to the ABS sensor.
I believe I have 2 orange connectors - if you just have one - and no airbag - it would be ABS.
It's the ABS sensor connector.
"Howdy, Folks!"
1986 Delphin 528e - Roof rack equipped lumber hauler.
1989 Zinnoberrot 325iX Sedan - I miss this car. (Deceased)
1998 Avus Blau 328iC - Someone else's project now
2008 Platinum-Beige X3 3.0si - Current project
2012 Alpine White X3 xDrive35i - My new snowmobile.
2020 Estoril Blue 440i xDrive cabrio - This car is a blast to drive.
87 Zinno Cabrio 98k Barn Find. Build thread http://www.r3vlimited.com/board/showthread.php?t=268987
87 Lachsilber ETA Time Capsule. bought w 125k from 87yo original owner
Cabrio deck lid & hinge struts (w sleeves) now for sale. See the link below for more info
New "made in Europe" seat shocks. PM for details
http://www.bimmerforums.com/forum/sh...ot-Seat-Shocks
The OE part number for the ABS repair harness is 61 13 1 390 540. The sensor side comes with a new sensor.
Repair pictures:
https://www.r3vlimited.com/board/sho...&postcount=178
Tenured Automotive Service Professional - Avid BMW Enthusiast
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