Wiring Manuals for your 850Ci (E31)
Get the most accurate Wiring information and references in our Online Service Repair ManualFinding accurate and up to date wiring specifications for your 850Ci (E31) isn't always easy.
ALLDATA gives you all available wiring diagrams including wire splice and ground locations, updated four times a year to meet changing factory service and repair information. A leader in the repair manual industry, California-based ALLDATA is the #1 vehicle information source for professional repair shops nationwide. You can purchase access to the 850Ci (E31) data in one or five year segments starting at $26.95 for full permissions.
I was having computer/electrical problems with my car that were a complete mystery. I purchased information for my car on ALLDATADIY.com, and now my car is running perfectly. Thank you, ALLDATA, for helping me get back on the road without having to get my car towed to a service station. - Phillip S