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"If the SZL forms an integral portion of the system that confirms steering geometry, upon which the AS stepper motor is controlled, then one cannot rule out, however unlikely, the possibility that a failed SZL COULD have a cascade effect negatively impacting the integrity of the AS system."
Several Years ago Air France Flight 447 was brought down because of a Pitot tube blockage (a sensor). The Pitot tube iced up and provided faulty readings to the Plane's flight system. Sometimes the simplest sensors can have a cascade effect negatively impacting the integrity of a system. As much as we think BMW or for the matter, any other respected company, can over engineer something, it can fail and in some cases have a negative effect. Arguru, i'll gladly back you up - Thanks for standing up to the man when many others would have easily let it go.
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