Wiring Manuals for your 320i (E21)
Get the most accurate Wiring information and references in our Online Service Repair ManualIt's important to stay well-informed about your 320i (E21) - and especially important for DIY types to have accurate wiring data.
ALLDATA's wiring diagrams are taken directly from Original Equipment Manufacturer (OEM) service manuals and made interactive for ease of use. We are the leading source of Professional Diagnostic and Repair Information used by over 75,000 repair professionals. You can purchase access to the 320i (E21) 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