Unopened 173 and 153 ECUs. 173 was just pulled from a 1990 325i, 153 came from a 1987 325i 6 months ago. Both are "chip-able" and many companies offer aftermarket performance chips for these ECUs.
173 SOLD
153 - $50 shipped
Ryan
5303061066
173 SOLD
153 - $50 shipped
Ryan
5303061066

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