BMS S68 JB4 Tuner for 2025+ G90 / G99 BMW M5
mashimarho.com

BMS S68 JB4 Tuner for 2025+ G90 / G99 BMW M5

$999.00
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Enhance Your BMW M5’s Performance with the JB4 Tuner for the 2025+ S68 G90 Engine Unlock up to 135whp with the JB4 tune for your 2025+ BMW S68 G90 M5. Whether you're running on pump gas or higher-octane fuels/E85 mixtures, the JB4 offers impressive gains, smoother power delivery, and unmatched tuning flexibility. Key Features & Benefits of the JB4 Tuner: Significant Power Gains: 93whp on pump gas Up to 135whp on higher octane or E85 mixtures Enhanced Performance: Improved 0-60 times Faster 1/4 mile times Customizable Tuning Maps: Preloaded with custom S68 M5 JB4 software Includes up to 8 maps for various fuel and modification levels Ethanol (E85) compatible tuning maps Boost Control & Performance Fine-Tuning: Adjust boost by gear in 1st, 2nd, and 3rd via the JB4 app User-adjustable 1st and 2nd gear boost limiting Real-Time Data Monitoring: View and record up to 40 gauges and engine parameters Compatible with JB4 Mobile for logging, tuning changes, and upda

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