Pay in 4 interest-free payments of $124.88 Learn more
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
100% carbon fiber
Designed with 3D Scanning and Rapid Prototype Technology to Ensure Precise Fitment and Maximum Surface Area Utilization
2019+ G14/G15/G16 M850i
patent pending in UK and EU) the other option to our world famous F8X single mid-pipe
S68 JB4 Tuner for 2025+ G90 / G99 BMW M5 x4 m carbon fiber intakes 100% carbon fiberGains are 93whp on pump gas and up to 135whp on higher octane or E85 mixtures. The ultimate tune for your 4. 4L S68 powered G90 BMW M5. The JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support,
US$ 114.50
US$ 10.00
