2000 - 2003 BMW E53 X5 4.4i - M62B44TU Performance DME TuningDUDMD Tuning: Engine Performance Software Tune Upgrade for 00 03 BMW E53 X5 4. 4i M62B44TU. E53 4. 4i M62TU DME Performance Tuning Features: EWS Delete available separately or combined with a performance tune. EWS+Tune combination can now be done remotely! Improved gas mileage Improved throttle response Improved wide open throttle and part throttle horsepower and torque 6500rpm rev limiter (can be changed upon request to your specs) Top speed limiter