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      06-08-2021, 07:30 AM   #11
Joe-BMW33
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Drives: '18 M550i|'21 X5|'03 540i
Join Date: Apr 2021
Location: Boston

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Garage List
2013 VW Tiguan  [0.00]
2015 Infiniti QX60  [0.00]
2021 BMW X5  [0.00]
2003 BMW 540i  [0.00]
2018 BMW M550  [10.00]
Quote:
Originally Posted by akashkotecha View Post
I took the car back to have the spark plugs checked to the right gapping and also reinstall the Dinan ECU.

The car is perfect now, the difference after the tune is quite noticeable in both comfort and sport plus. I found that the exhaust even sounds a lot better after the tune. It already sounded great with the x pipe but after the tune the pops and burbles seem a lot more prominent in sport plus and the growl is slightly deeper in comfort.
Do you know if the issue was with the gapping of the plugs or just the unit needed a reset/reinstall? Just curious what the issue actually was, but I am guessing you will never know.
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2018 M550ix|Carbon Black|Dinan Modifications|2003 540i|Jet Black|M-Sport|2021 X5 Mineral White
Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|2002 745li|2007 750li|2006 750li|2001 530i|2012 535xi|
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