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corbs09 · 01-05-2022, 09:00 AM

If we tune our cars via the ecu swap method, can we pop the old ecu back in and take it to the dealer with simple coding or is it more of a "once its done, its done" thing?

01-05-2022, 09:00 AM	#44
corbs09 Lieutenant 355 Rep 478 Posts Drives: 09 335i Join Date: Jul 2013 Location: Dallas iTrader: (1)	If we tune our cars via the ecu swap method, can we pop the old ecu back in and take it to the dealer with simple coding or is it more of a "once its done, its done" thing?
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