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      09-09-2019, 03:27 PM   #109
sunny_j
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Drives: 2012 X5d
Join Date: May 2012
Location: Vancouver, British Columbia

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Just got back from a 900km+ trip in the mountains to a small town in BC (Osoyoos) and I really noticed a difference between the old JR 2.8 tune and now the BRR tune in the mountains. When I went on another trip last month the x5 was okay in the mountains with JR's tune. I would have to press the accelerator a lot harder and longer to get the power to build up. Now with the BRR tune even when I'm in 6th gear going up the mountains the x5 moves effortlessly. Even when going 140kph the x5 pulled like a beast. As soon as I want passing power or to gun it for fun in the boonies the power is instant and it moves the x5 without missing a beat. With JR it would feel like it's trying it's hardest to produce power but it was never there
When in town the difference is the same. The power is instant without the lagging feeling I would experience with the JR tune. It's hard to imagine how swapping tunes can change the drivability of the X5d just like that.


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2012 X5d | Deleted & BRR Tuned | DWR TCU Tune | 10.25" Android 8.1 Screen

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