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Originally Posted by neanderthal  on the early M104s, the ignitino coils can go out and are very expensive. different design for later models. |
Early 104 motors, i.e. the pre-HFMs, have only a single ignition coil, which is rather inexpensive ($70-$80) and not particularly prone to failure. These cars still had distributor caps and rotors. I believe the issue here is the ignition control module or EZL which is something else entirely - but some clarification would be helpful.