Jason15036 Posted February 15, 2005 Report Share Posted February 15, 2005 I am in need of buying a pcm computer for my 1995 Cadillac STS. I do not know how I am supposed to go at buying one. Can I just by a used from the same year and model car or do I have to get the one with the same exact serv. NO. or can i just buy one from my year car and style. My numbers on my pcm read: SERV.NO. 16197429 BMTU *86BMTUM942413077* 16210506 BMTU *86BMTUM942413077* This is my exact numering and labeling on my pcm. Link to comment Share on other sites More sharing options...
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