How do I know what ECU I have? Is it somthing I am going to have to run outside take my car apart to get a number off the ecu? or is it model/year specific?
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To find the ECU number take off the plastic cover inside the glovebox and there will be a sticker with the number on top of it.
What car do you have?
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I've got a 90 325i.Comment
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my 89 325i has got a 173 ecuComment
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not that that means anything for his 90 325i.Originally posted by LikeCDoosMy mountains are better than yours.Comment
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Just checked and mines also the 173 ecu.Comment
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