Try to search something different in this manual:
jump start terminals, audio, reset sun roof, OBD port, battery capacity, key battery, AUX, steering
Or view whole manual here:
View, print and download for free: change key battery - BMW M3 1990 E30 Electrical Troubleshooting Manual, 138 Pages, PDF Size: 14.97 MB. Search in BMW M3 1990 E30 Electrical Troubleshooting Manual online. CarManualsOnline.info is the largest online database of car user manuals. BMW M3 1990 E30 Electrical Troubleshooting Manual PDF Download.
All product names, logos, and brands are property of their respective owners.