Quote:
Originally Posted by Aussie_in_London
Having been involved with the VXR scene for a number of years helping run an official Vxl/VXR website, I got to know the VXR brand and product managers very well, now tuning and warranty is a big deal at present and all warranty claims on engines, gearboxes etc on any of the VXR range is started by the removal of the ECU which is then sent for testing, any changes in parameters or coding flagged up possible mapping and your warranty claim is thrown out and in return you receive a 200quid bill for the ecu testing followed by and any repairs required........
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If you are worried about it don't do it is the simple answer.
This ECU has been around since 2008 and we have tuned many many 335i/135i/Z435i/X635i's both in the UK and abroad with this ECU with no such issues. If in the future BMW implement something like VXR have then that would have to be looked at.
I have heard about this in the VXR market - the ECU's go back to the warranty approved tuner to check whether its their code (if tuned).