For all forced induction engines (turbocharged or supercharged) Bosch Performance Boost Pressure Sensor 4.0 Bar / 58 Psi For all forced induction engines (turbocharged or supercharged) Up to 4.0 bar absolute pressure / up to 3.0 bar relative pressure (boost pressure) Very popular for Mercedes Diesel engines with Hybrid Turbo Upgrades! For all turbocharged or supercharged engines. Bosch boost pressure sensor with a maximum measurement range of 4.0 bar (absolute pressure). After replacement, the ECU mapping must be adjusted accordingly. Compatible with many Mercedes models (e.g. performance-enhanced AMG versions) using an external sensor. The housing shape is identical to the original boost pressure sensors. Technical Data and Calibration for DID1: Voltage range: 0.3 to 5.0 volts, pressure calibration: 350 to 4350 mbar Voltage output range: 0.2 to 4.9 volts