<E28> Engine stumbling/hesitating ...

[khensley@xxxxxxxxxxxxxxxx]

Hello, all!

I'm in a difficult situation with my 1985 535i.  I'm on the road during 
the week, and the engine is running poorly at times.  This just 
started as I was leaving home Sunday evening.

At any rpm, the engine will die, then in a moment, or few seconds, 
it will pick up and run.  Sometimes its the whole engine, 
sometimes it acts like a cylinder or 2 missing.  My initial reaction 
is the ignition shutting off, when the whole engine dies, but that 
doesn't explain a cylinder or 2 missing.

Another impression that it's related to the ignition is the black 
smoke out the exhaust - it has fuel, but nothing to burn it.

Any ideas?

Thanks in advance,

...Kim Hensley
BMW CCA #16216

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