Coils for Ion (BMW)

[Orin Eman]

> Say, I forgot to mention/ask this of ya before, but ericS awhile ago
> mentioned the Bosch coils (some, all?) have an internal gap in them for
> HV open circuit protection, a nice idea BTW. I realize in my response to
> him wayBackWhen, that I misunderstood what he said. He said this gap was
> "in parallel" with the HV terminal, meaning IF no plug was there, the
> spark would terminate to gnd via this internal gap, rather than
> overvoltage the coil, but I THOT at the time this meant there'd be some
> DC continuity problems, but now I realize that was wrong. But just to be
> sure, since you have the coil in your possession, when you get a chance
> could you confirm a DC path from one secondary terminal to the other?
> Thanks. I hope to do same at the dealers, assuming I can find that coil,
> but if they don't have stock, it'd sure be good to know the result.

The Bosch coil on my car is spec'd at 5-9k secondary.  Not isolated
though.

Orin.