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Looking for an easy way to improve the performance of your BMW M3/M4? Look no further than Burger Tuning's JB4 Stage 2 S55 tune, the ultimate ECU tuning solution for your car. As a leader in BMW Turbo ECU tuning, Burger Tuning offers the best tuning solution for S55 F80/F82 BMW M3 and M4 models. Whether you're looking for a slight power increase to your daily driver or maximum power increase for race cars, the S55 JB4 Stage 2 tune is the perfect choice. This easy-to-install solution provides significant performance gains, with code reading and deleting, boost limit for first and second gear, and seven preset maps for different modifications and fuel quality. Additionally, the full E85 support allows for maximum power output while the weather-proof aluminum enclosure protects your JB4 from harsh weather conditions. For those who want to enjoy an untraceable install and additional features like gauge hijack, the Stage 2 JB4 S55 tune is also offered with OBD cables. This allows for a hassle-free upgrade to your car's performance, without compromising its reliability or functionality.
Map Guide:
Map 0: Disable JB4 / Full Pass Through Mode
Map 1: Stage1 map adding approximately 40whp and 40wtq across the power band on pump gas. Suitable for all stages and fuel mixtures.
Map 2: Slightly more aggressive version of map 1 intended for vehicles with exhaust modifications and 93+ octane fuel. Can also be used with E85 and racing fuel mixtures.
Map 3: Slightly less aggressive version of map 1 intended for vehicles running on lower grade fuels such as 91 octane.
Map 4: OEM performance but with JB4 active for diagnostics only.
Map 5: //M low torque / linear throttle map.
Map 6: Custom tuning map.
Map 7: Race gas map. Requires 100 octane unleaded fuel and for the fuel mass connector to be installed. This map can also be used with up to 35% E85.
Map 8: Methanol Injection map. Requires BMS FSB controller or methanol kit for progressive mapping and safety systems.
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