Vehicles after change point in 1982 Connect BMW service test unit. Carry out engine test step 09. Observe oscillograph - ignition voltage and ignition voltage deviation must agree with nominal values**. ** See nominal value microfiche | |
Multimeter Test (M 06): Measure resistance* of primary coil (term. 1/15) and secondary coil (term. 15/4). * See Specifications | |
Check for hairline cracks and signs of burning. Check plug (S) for tight fit . if pressed out, replace ignition coil. |