If this has already been discussed, I apologize. When was the last time you changed your spark plug wires? New ones stopped my slight stumble when cold and greatly improved performance when hot and at highway speeds.

You can have new cap and rotor, plugs, coil, and injectors, but if the wires that get the spark to the motor are breaking down,

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roadkingmike@aol.com
Coast Aero Support Services, LLC
'92 MB 500 SL
'01 BMW 525i Sport
'98 Harley Davidson RoadKing
'74 BMW 3.0 CSi - Gone to a good home