BOSCH Crankshaft Sensor (0261210245) Fits: Audi A8 Quattro

Bosch Crankshaft Position Sensors provide accurate detection of the engine speed: the engine speed is the main control variable for the ignition timing.
A failed or failing Crankshaft position sensor may exhibit a check engine light, no-start, long cranking, sputtering and stalling, and increased fuel consumption.
Bosch offers Crankshaft Position sensors for many applications.