Came with my 1987 325es, but not sure if it's the b27 ecu or not. Having hard time figuring it out. Thanks for help in advance!
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ECU identification.
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Its a '525' dme, which is identical/interchangeable with the 173 dme. I had the same thing in one of my 325's, and was confused as well. Apparently it had come from a junkyard, as someone had written in sharpie '525i' on it. It took me a while to notice the '525' above the barcode, as searching for 527 didn't turn up much.
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