Suitable for numerous displays and gauges, MFD28, MFD32, Zada Tech, free injection systems Bosch MAP sensor 4,0 Bar / 56 Psi For all boosted engines (turbo or supercharger) Up to 4 bar absolute pressure / up to 3,0 bar relative pressure (over athmospheric) For all boosted engines (turbo or supercharger). Bosch boost pressure sensor (MAP) with a maximum measuring range of 4.0 bar (absolute pressure). After replacement, the ecu data must be adapted. Suitable for all vehicles (e.g. Audi, VW, Seat, Skoda, etc.) with external sensor and sensor diameter 12mm. The housing shape is exactly the same as the original MAP sensors. Technical data: Up to 4 bar absolute pressure / up to 3 bar relative pressure (over athmospheric) 500hPa at 0,499V, 4000hPa at 4,497V