E30 173 ECU with performance chip
Dont know what kind of chip it is, i think its a ebay jimC clone tuned for 91.
Ran it on my M20 (i), ran good. Does have increased redline.
60$ shipped for ECU with chip.
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Hot: 2001 Estoril M Roadster
ZCP 19's michelin supersports, ZHP knob, JL 8W3
Cold: 2002 TiAg M3 6mt
ZCP 19's michelin supersports, deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 18's w310's,