Old but updating. With last winter coming, I did not want to do anything that would kill the heat outright.

But FINALLY a whole valve came up on eBay for $15 (read: cheap). After testing, I concluded it had to be the driver coil itself. So when the part came today, that is what I swapped right away. Everything works just fine now.

Even though the old coil bench tested okay, I dont think it work in actual use. Very happy that I finally have this one solved.

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1991 560 SEL / 185k miles
1992 750il / 17k miles - project car