I had a similar problem. After the car warmed up it would die. It would start up and run bad. If it sat and cooled it would run well again. My ignition control module was very hot to the touch. I replaced it and it has not died since.

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Steve
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si