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Home >> BMW >> 1989 >> 325is Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Basic Testing >> Ignition Checks >> Ignition Coil Resistance

Ignition Coil Resistance

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  1. Remove primary and secondary leads from ignition coil. Using ohmmeter, check primary resistance between (positive) and (negative) terminals of coil.
  2. Check secondary resistance between (positive) terminal and coil wire tower. Replace coil if not within specification.
IGNITION COIL RESISTANCE - Ohms @ 73°F (23°C)

Application Primary Secondary
Models .4-.6 8000-10,000
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