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BMW S58 JB4 Tuner with BluetoothJB4 Tuner with Bluetooth Adapter BMW 2021 2023 M2 M3 M4 G8X The ultimate tune for your S58 powered G87 M2, G80 M3, or G82 M4, 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, and built

5 BAR OEM Bosch/BMW Charge Pipe MAP Sensor

Proven to make 800+ wheel horse power on a factory OEM stock engine/transmission

we have done away with the factory self-adjusting cover

DEKA Clutch specializes in premium transmission upgrades

🚀 Ready to Join the 800+ Club

Aerospace Components has been a trusted name in racing performance parts for decades

and let your B58 engine sing

G80/G81 BMW M3

4 seconds on factory calibration

Engine: 328I 4CYL TURBO ENGINE

MTech Performance creates specific software calibrations tailored to individual vehicles and is not responsible for misuse

During periods of increased demand