07-31-2017, 09:54 PM | #23 |
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I thought 650 got n63tu in 13 not 12?? And the 550 in 14
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08-09-2017, 01:48 PM | #24 |
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ESS Tuning has ECU Software upgrade for $1349 that they claim will increase HP to 550 and torque to 560 lb-ft. This is for the N63TU engine but I believe they have it for the earlier N63 engine also. As the Burger Motorsport unit is no longer CARB compliant in California, and the Dinan unit is about twice as much I'm pondering going with the ESS Tuning software. Trying to find someone who has put this on their 650i and hear their thoughts.
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08-09-2017, 10:33 PM | #25 |
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Drives: 2014 650xi Gran Coupe Msport
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This is a flash tune, right?
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08-06-2018, 12:09 PM | #26 | ||||
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