Topic: Electronics

Guide for Replacing Alternator Output Cable (V12)

Article by: Hairywithit Applies to: BMWs with the M7x V12 engine. Based on 1989/1990 750iL: Symptom: No obvious problems but was discovered by visual inspection. Insulation on the cable was badly cracked and failing at both ends of the cable tube. https://www.shiftoem.com/dev/showparts.php?mospid=47365&typschl=GC83&diagid=11_4607 Description: After nearly 20 years of continuous service […]

EML Control Light Repair

Article by: Johan Article applies to: all e31, e32, and e38 models with the M7x engine. Problem: The EML bulb should show up for a couple of seconds when the ignition is turned on. On my 750i it didn’t do that anymore. And as a result the acceleration time from […]

Voltage Regulator M70 (V12)

Article by: Sean Article applies to: all e31, e32, and e38 models with the M70 V12 engine. Problem : Various. I always had a slow cranking starter since the day I bought the car a few years back. The battery was dead at that time, so I replaced it with […]