roundel335... my understanding of ecu mods is that, in the eyes of BMW, said mod voids your warranty provided by BMW NA. Also, I have read numerous accounts of people that have had their factory warranty revoked by BMW after an ecu mod was discovered. From the accounts I have heard, the revocation has occurred when the individual has taken their vehicle in for work to be done under warranty. On the flip side, I have also read numerous accounts from people who have brought their ecu modded car into BMW for routine service and have not experienced any problems. Now what i surmise is that you have yet to have any warranty work done on your vehicle and have only taken it in for service. Also, it may have something to do with your service dept; some of the techs are more mod friendly than others.
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///Mitchell
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