FixVault
Home
›
BMW
›
1994
›
850CSi
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Self Diagnostics
›
Component Tests
›
Sensor Heating Relay
›
Possible Causes
Possible Causes
Wire to DME control unit pin No. 23 defective.
Relay or voltage supply not okay.
Fuse F28 defective.