High-Precision MPU6050 Replacement IMU

I am upgrading a line of robotic and industrial-grade controllers and need a drop-in inertial-measurement unit that outperforms the familiar MPU6050. The overriding objective is noticeably higher accuracy... (Budget: €30 - €250 EUR, Jobs: Electrical Engineering, Electronics, Embedded Systems, Engineering, I2C, Microcontroller, Robotics, Signal Processing)