I have a tested and good 173 DME for sale. I noticed the tabs had some small scratches around them and I opened up the unit to find out why. Come to find out there is a chip in the DME. I can not say for sure if it is authentic but the label says it is a 1989 (c) Dinan Engrg BMW 2.5l 2v m3.2. I ran this in my car which has 19lbs injectors and it actually seemed to perform better than my BMP chip that I have been running for almost 18 months.
Sold!


Sold!



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