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Posts: 6,232
Join Date: Oct 2013
Car: e90 335i
Default 10-25-2019, 11:52 AM

Originally Posted by dcpatters
As an early JB4 Beta tester for the QV, I have to say, I am impressed. The JB4 integrates and installs cleanly. Have been running Map 2 on an E30 mix and after sharing several logs with Terry, all has been confirmed as good. Power delivery is linear and strong, pulls hard towards the upper RPM range too. Boost curve has been improved and not choppy like the OEM tune.

Not sure if Terry has any upgrades or enhancements planned for the QV JB4, but if there are any, look forward to that release.
Awesome!! We'll be running ours at shift sector this weekend, we'll post our results and videos

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