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Recommended to be fitted as a kit with the Supersprint front section with catalytic converters (catted front section) for road use
we added a knurl design on the edge to provide a firm grip when installing
By recalibrating ignition timing
If you do not have a cable
while keeping it smooth and eliminating any drone
Evolve ECU Remap Performance Upgrade - BMW E8X 1 Series 123d HAS Recommended to be fitted asThis ECU remap is for installation at Evolve or at one of our dealers. The software upgrade for the 1 Series E81 E82 E87 E88 123D 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
