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Lab tested at ~30% more efficient than OEM cooler
more power/torque is available at both partial and full load
For example
the Akrapovi
Evolve ECU Remap Performance Upgrade - BMW E71 X6 30d (231 BHP) E61 Lab tested at ~30% moreThe software upgrade was designed and tested at our dyno facility and on road to give optimal performance with maximum safety. Much time was taken to develop the software to give improved throttle response and factory like drivability with a progressive power delivery. The end result is a 30d which is significantly faster to accelerate and smoother to drive while at the same time returning 10 15% improved fuel economy. Overview: 60 bhp @ 4250rpm 40 50