I bought a 027 ecu with a mark D chip, and my car originally came with a 021 ecu. Are they interchangeable. I know you can use a 021 in a 027 car, but does it work the other way around?
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1985 325e 2.8 Turbo VEMS -
1986 325es (69k) Garage Queen Buy It Now 10k;1986 325es (track rat) 2.7i How-To & 1.1/1.3Motronic UpGrade
1991 318is (daily driver) 1991 318is M42 Maintenance How-To;1989 325i (parts car) -
FUCK!
Thanks.
I think the ECU might be shot.. FUCK FUCK FUCK!1985 325e 2.8 Turbo VEMSComment
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