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1990 BMW 325i, Ignition Waveform
This was a No start/No spark problem. The ECM (Motronic control unit) controls the ignition coil. A new ECM was the fix for this problem. Suspect that the transistor in the ECM failed. Looks like it was allowing current to "leak" through when it should have be...
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| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 5-speed StandardTransmission |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Vehicle Data
1990 BMW 325i 2.5L
| Engine | 2.5 L / 6 cyl / GAS |
| Trans | 5-speed StandardTransmission |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |