Evolve ECU Remap Performance Upgrade - BMW E8X 1 Series 118D (143 BHP) JCW The secondary catalytic convertors are

The secondary catalytic convertors are removed

Alternative to 789802

To be installed as a kit with 522204 or 522234

ATTENTION: Not for Facelift up from 03/2018

of the unique inner silencer design

Evolve ECU Remap Performance Upgrade - BMW E8X 1 Series 118D (143 BHP) JCW The secondary catalytic convertors areThis ECU remap is for installation at Evolve or at one of our dealers. The software upgrade for the 1 Series E81 E82 E87 E88 118D 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