Help with CPS/Pulse Generator

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Baltimore
#1
1992 535i m30

I was hoping to get some information about this part. I just removed mine from my car . It is covered in oil and road crap, black sticky crap. I also noticed that the line was pinched between the coolant hoses and probaly got very very hot. The part also came off with little effort I was able to unscrew it by hand and wiggle it.

HOw does this part affect my idle and performance. I have a very rough idle that I think is due to cracked ditributer cap but am curious about this part. I have order a replacement part and tried to look it up but couldn't find any info on it.
 


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