Ragazzon sleeve, stainless steel. Multi-fit part: fits BMW 1 Series F40 2019-2024, as well as BMW 1 Series F70, BMW 2 Series F44 (Gran Coupè), BMW X1 (U11) and other vehicles. See the full list in the detailed description.
Lightweight single-mass aluminum flywheel, 4.1 kg, about 6.8 kg lighter than stock, 2.7T engine. Faster rev climb, easier downshifting. Steel friction surface and replaceable ring gear. New bolts included.