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2017-’20 BMW G29 Z4 30i & Z4 M40i
This mod is absolutely game changer in terms of aesthetics
After multiple prototypes and valuable user feedback
run smaller injectors and still get more fuel than you did with large injectors (allowing for higher resolution)
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S68 JB4 Tuner for 2023+ BMW XM & 2024+ BMW X5M / X6M Vehicle:2024+ S68 BMW X5M/X6M 2017-’20 BMW G29 Z4 30iGains are 125whp on pump gas and up to 260whp on higher octane or E85 mixtures. The ultimate tune for your 4. 4L S68 powered BMW XM, X5M, & X6M. The JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel
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