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making it a versatile solution for various transmission types
and increases horsepower
We advise to add it to your order
Fitment: 2008-2011 E90 3 Series (M-Sport / M-Tech Rear Bumper)
It not only enhances performance but also provides a superior sound experience
S68 JB4 Tuner for 2025+ G90 / G99 BMW M5 bmw m3 single mid pipe making it a versatile solutionGains are 93whp on pump gas and up to 135whp on higher octane or E85 mixtures. The ultimate tune for your 4. 4L S68 powered G90 BMW M5. 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 support,
