The BMW 640i Gran Coupe Knock Sensor is an important part of the car with which it is meticulously associated due to its prominence for reliability and performance enhancement. This feature is an improved Knock Sensor that is able to identify the engine knock and share with the powertrain control module for further alteration of ignition for minimal detonation and maximum performance. Usually employed piezoelectric mechanism, the Knock Sensor is able to transform vibrational pressures into electrical signals which maintain constant check on pressure spikes indicative of knock. This capability enables the BMW 640i Gran Coupe to work at the ' ping ' limit - it runs as fast as possible without causing the engine to blow up. For use on numerous 640i Gran Coupe models, the Knock Sensor improves the performance for the twin-scroll, single-turbo inline-six engine of 315hp. While focusing on the midrange acceleration the BMW 640i Gran Coupe can sprint from 0 to 60 mph in 5.6 seconds and at the same time providing a great fuel economy 20/30 mpg city/highway. The knock sensor in the context of the BMW 640i Gran Coupe plays an incredibly important role as it helps to increase performance and also preserves the engine and other internal components of the automobile by detecting the improper ignition timing. The BMW 640i Gran Coupe Knock Sensor is superb due to the flexibility of the knock control capabilities on the different cylinders' timings and the boost pressure management, making it the best vehicle to perform and last longer under different driving regimes.
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