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The standard shock absorber and spring are developed as a combination
Fits both RHD and LHD
gear shift sharpness and feel
Combined even with the stock exhaust
Evolve Remap - BMW E89 Z4 20i 184hp (N20) F21 The standard shock absorber andThis ECU remap is for installation at Evolve or at one of our dealers. The software upgrade for the E89 Z4 20i 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