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- 40-50 bhp extra through rpm range
Dyno and road developed
gear shift sharpness and feel
The wing is screwed to the boot
• Compound designed for low dusting qualities
Evolve Remap - BMW E89 Z4 28i 245hp (N20) X6M - 40-50 bhp extra throughThis ECU remap is for installation at Evolve or at one of our dealers. The software upgrade for the E89 Z4 28i was designed and tested at our dyno facility and on road to give optimal performance with maximum safety. Significant time was taken to develop the software to give improved throttle response and factory like drivability with a progressive power delivery. Our engine tuning philosophy is to improve driveability and enjoyment. We do this by