Supersprint Turbo Downpipe With De-Cat - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I F80 The software upgrade for the

The software upgrade for the 3 Series E90/E91/E92/E93 325d was designed and tested at our dyno facility and on road to give optimal performance with maximum safety

power and torque are substantially improved across the rpm range

Various elements such as ignition timing

Multiple functionality features of ECU

which greatly enhances the sound note in the high rpm range

Supersprint Turbo Downpipe With De-Cat - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I F80 The software upgrade for theNOT ROAD LEGAL As an alternative to the "road" catted version (987311) Supersprint also offers a de cat option, for track use. This component drastically reduces the back pressure after the turbocharger, with beneficial effects on the temperatures and the gas flow. The absence of the catalytic converter requires the modification of the electronic management to avoid warning lights on the dashboard (CEL). All the characteristics of the 987311 (easy