Air Mass Sensor - BMW E90 / E91 / E84 - N47N - Various Models
Air Mass Sensor - BMW E90 / E91 / E84 - N47N - Various Models
BMW Part Number: 13 62 8 506 409
Brand: Bosch (German O.E.M)
Fitment: Complete
To Fit the following Models:
E90 LCI 3-Series Sedan 320d - N47N - All Models
E91 LCI 3-Series Touring 320d - N47N - All Models
E84 X1-Series 20d sDrive - N47N - All Models
E84 X1-Series 20d xDrive - N47N - All Models
E84 X1-Series 25d xDrive - N47N - All Models
Air-mass meters
Original Quality that Pays Off: Bosch Air-Mass Meters
In order to ensure that legal specifications for emissions are complied with and that the vehicle is not consuming fuel unnecessarily, air and fuel must be fed through the engine in a precisely defined ratio. This takes place by means of an air-mass meter or air flow sensor which detects the actual air-mass flow and transmits the measured values to the regulating and control systems of the engine.
When, as a result of the energy crisis, the reduction of fuel consumption became an important development goal in 1972-73, Bosch introduced air-volume measurement with the mechanical K-Jetronic gasoline injection and the electronically controlled L-Jetronic gasoline injection. As the inventor, Bosch is still a pioneer in the field of technical development for air-volume and air-mass metering.
Bosch Hot-Film Air-Mass Meters
Bosch hot-film air-mass meters are equipped with the latest technology (e.g. with integrated temperature, humidity, or pressure sensors) and microelectronics. In newer versions they are extremely reliable as they are highly resistant to contamination. Bosch hot-film air-mass meters work with utmost precision and thus make a significant contribution to minimizing the vehicle’s fuel consumption and emissions.
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