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Discussion Starter #1
Well 99 LT maybe finally on the mend. I gotta tell you I have read, and read , and read tons of info on this forum. Mostly about poor idle and hesitation issues.
Finally took a look at the spark plug wires. I had not done so before as the guy that sold it to me said it had been done already. Shoulda known, had three good wires and one that reminded me of the old make your own length wires we used to buy for a car years ago. Between the boot and the wire there is a way to more or less thread the boot onto the wire to make a better connection. Nope was not done so what would happen is spark was having to jump twice I believe and would not always do so.
Second big difference was the 02 sensor we put in yesterday. Still letting the computer re map but I am encouraged so far.
Probably easy for some to figure out but this bike has been in Mexico for six years already and it gives a whole new meaning to the term jerry rig which does not work with a BMW motorcycle.
Anyway time to finally enjoy the ultimate riding machine. I will not even go into what they did with the brake lines, geeezzzzzz
 

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Wrencher Extraordinaire
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Hey Richard,

That is innovative maintenance at its finest!! Glad you are finally getting to enjoy the old girl like she should be.
 

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3,108 Posts
If the gap in the wire exceeds the gap in the plug, it will become intermittent, as one coil feeds two cylinders. Path of least resistance and all that stuff. I know there's only one coil pack, but it should have two coils in it. One fires 1 & 4 while the other fires 2 & 3 since the corresponding cylinders hit TDC at the same time. So unless it's different from any other four cylinder I've ever seen it should be set up the same.
 
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