BMW X5 and X6 Forum (F15/F16) - View Single Post

Bigtop · 03-19-2017, 10:30 AM

If you have a 2017 X5 50i the BMS N63tu Stage 1 does not work and actually reduces apparent power. I removed it from my 2014 X5 50i and installed it on the new car after run in miles and it actually reduces the power output.

See more here:
http://www.burgertuning.com/N63_Jb_B...nce_Tuner.html

I have tried this twice now and the tune "feels" slower and the Sports Display shows LOWER power when trying to see how high you can get the readings.

Much of the coding categories or descriptions have changed or moved with the 2017 model. For example if you want to change the coding for the keyfob to close the trunk the coding file and descriptions have changed slightly.

So I think it is quite possible the same has happened with the engine and ECU codes and the BMS N63tu Stage 1 chip is not reading and changing what it is supposed to on the 2017 model.

03-19-2017, 10:30 AM	#146
Bigtop Private First Class 41 Rep 159 Posts Drives: 2020 G05 M50i Join Date: Nov 2013 Location: Camelot iTrader: (0)	If you have a 2017 X5 50i the BMS N63tu Stage 1 does not work and actually reduces apparent power. I removed it from my 2014 X5 50i and installed it on the new car after run in miles and it actually reduces the power output. See more here: http://www.burgertuning.com/N63_Jb_B...nce_Tuner.html I have tried this twice now and the tune "feels" slower and the Sports Display shows LOWER power when trying to see how high you can get the readings. Much of the coding categories or descriptions have changed or moved with the 2017 model. For example if you want to change the coding for the keyfob to close the trunk the coding file and descriptions have changed slightly. So I think it is quite possible the same has happened with the engine and ECU codes and the BMS N63tu Stage 1 chip is not reading and changing what it is supposed to on the 2017 model.
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