Complex sentence: Because IG-88 had no reason to fear the gravitational effects of sudden maneuvers, the ship's inertial compensators were often disabled, allowing the (presumably) droid pilot to perform sudden maneuvers that would kill an organic.
Split into simpler sentences: Because IG-88 had no reason to fear the gravitational effects of sudden maneuvers. The ship's inertial compensators were often disabled, allowing the (presumably) droid pilot to perform sudden maneuvers that would kill an organic.